PC World Komputer 2010 April/PCWorld0410.iso/pluginy Firefox/6984/6984.xpi/chrome/lazarus.jar/content/lazarus.js

Text File | 2009-11-24 | 152.4 KB | 4,418 lines

//declare namespace
this.Lazarus = this.Lazarus || {}

Lazarus.STATE_UNINITALIZED = 0;
Lazarus.STATE_DISABLED = 1;
Lazarus.STATE_PASSWORD_REQUIRED = 2;
Lazarus.STATE_ENABLED = 3;
Lazarus.STATE_DISABLED_FOR_DOMAIN = 4;
Lazarus.STATE_PRIVATE_BROWSING = 5;
Lazarus.STATE_GENERATING_KEYS = 6;


Lazarus.LOGIN_HOSTNAME = 'chrome://lazarus';
Lazarus.LOGIN_REALM = 'Private Key Password';
Lazarus.LOGIN_USERNAME = 'lazarus-private-key';

Lazarus.IFRAME_NAME = '<content-editable-iframes>';
Lazarus.MIN_TEXT_NEEDED_TO_SHOW_NOTIFICATION = 1024; //characters

//flag to indicate if this browser is ready yet.
Lazarus.initalized = false;

//timers
Lazarus.cleanupSavedFormsTimer = 0;
Lazarus.autoSaveFormTimer = 0;

//pointer to last autosave form.
Lazarus.currAutoSaveForm = null;

//pointer to the last editor (txetbox or iframe) that a user put input into.
Lazarus.currentEditor = null;

//flag to say if context menu is currently being shown
Lazarus.isContextMenuShowing = false;

/* known input types
case "text":
case "textarea":
case "file":
case "radio":
case "checkbox":
case "select":
case "password":
case "hidden":
case "submit":
case "reset":
case "button":
case "image":
*/



//array of editor infos that the user has typed into this session
Lazarus.editorInfos = [];


/**
* window has loaded
*/
Lazarus.init = function(){

    Lazarus.Global  = Components.utils.import("resource://lazarus/global.js").Global;
    Lazarus.Crypto = Components.utils.import("resource://lazarus/crypto.js").Crypto;

    Lazarus.initalized = true;
    Lazarus.initDevEnviroment();

    //set loading icon
    Lazarus.refreshIcon();
    Lazarus.repositionNotification();

    //Update UI elements
    Lazarus.$("lazarus-statusbaricon-tooltip-title").setAttribute("value", Lazarus.getString("lazarus.statusbarpanel.image.tooltip", Lazarus.getVersionStr() +" ["+ Lazarus.build +"]"));
    Lazarus.refreshMenuIcons();
    Lazarus.Pref.addObserver('extensions.lazarus.showContextMenuIcons', Lazarus.refreshMenuIcons);

    if (Lazarus.getPref('extensions.lazarus.showDonateNotification')){
      Lazarus.checkForDonateThanks();
    }


    //check crypto component (breaks a lot with various Linux builds)
    if (Lazarus.checkCrypto()){
      //open the database
      if (Lazarus.initDB()){
        if (Lazarus.initEncryptionKeys()){
          if (Lazarus.loadPublicKey()){
              Lazarus.enable();
          }

          Lazarus.refreshIcon();

          Lazarus.saveAutoSaveText();

          //remove expired forms
          Lazarus.cleanupSavedForms();

          //hmmm, interesting. Cleaning the database makes little difference to the database size (33MB -> 32MB),
          // unless a lot of deletions have been made
          //
          if (Lazarus.getPref('extensions.lazarus.cleanDatabaseAtStartup')){
            Lazarus.cleanDB();
          }
        }
        //else we are generating new encryption keys, do nothing
      }
      else {
        //errors *should* have been thrown in the error console.
        //inform the user something went wrong :(
        Lazarus.error("Failed to load database");
        Lazarus.disable();
      }
    }
    else {
      Lazarus.error("Failed to load crypto component");
      Lazarus.disable();
    }
    Lazarus.refreshIcon();
}

/**
* turn off the donate notifications if this user has donated.
*/
Lazarus.checkForDonateThanks = function(){

  var onload = function(uri){
    if (uri && uri.spec && uri.spec.indexOf('//lazarus.interclue.com/donate-thanks.html') > -1){
      Lazarus.setPref('extensions.lazarus.showDonateNotification', false);
      Lazarus.Event.remove("location-change", onload);
    }
  }
  Lazarus.Event.add("location-change", onload);
}

/**
* check to make sure the crypto component has loaded correctly
*/
Lazarus.checkCrypto = function(){
  try {
    var crypto = Components.classes["@labs.mozilla.com/Weave/Crypto;1"].createInstance(Components.interfaces.IWeaveCrypto);
    return true;
  }
  catch(e){
    return false;
  }
}

/**
* reposition the notification bar so that it's always the last element
*/
Lazarus.repositionNotification = function(){
    //#124: Zotero compatiilty problem
    var notif = document.getElementById('lazarus-notification');
    notif.parentNode.appendChild(notif);
}



/**
* enables Lazarus for this browser
*/
Lazarus.enable = function(){

    Lazarus.saveAutoSavedForms();

    //add preference observers
    Lazarus.Pref.addObserver("extensions.lazarus.expireSavedForms", Lazarus.startCleanupTimer);
    Lazarus.Pref.addObserver("extensions.lazarus.expireSavedFormsInterval", Lazarus.startCleanupTimer);
    Lazarus.Pref.addObserver("extensions.lazarus.showInStatusbar", Lazarus.refreshIcon);

    //we need to capture any onsubmit event from forms within a webpage
    gBrowser.addEventListener("submit", Lazarus.onFormSubmit, false);
    gBrowser.addEventListener("submit", Lazarus.saveLastSubmittedForm, false);
    gBrowser.addEventListener("DOMContentLoaded", Lazarus.autofillEvent, true);
    gBrowser.addEventListener("DOMContentLoaded", Lazarus.initRecoverForm, true);
    gBrowser.addEventListener("reset", Lazarus.onFormReset, false);
    gBrowser.addEventListener("change", Lazarus.onFormChange, false);
    //we also need to save forms if people are typing into them.
    gBrowser.addEventListener("keyup", Lazarus.onKeyUp, false);

    //kjd: removing lazarus icon for now
    //gBrowser.addEventListener("keydown", Lazarus.onKeyDown, false);


    //clear the saved forms if user wants to when "clear private data" is hit.
    Lazarus.$("Tools:Sanitize").addEventListener("command", Lazarus.fireClearPrivateDataIfNoPrompt, false);

    //add handlers to the context menu
    Lazarus.$("contentAreaContextMenu").addEventListener("popupshowing", Lazarus.onContextMenuShowing, false);
    Lazarus.$("contentAreaContextMenu").addEventListener("popuphidden", Lazarus.onContextMenuHide, false);

    //need events when a user changes the current document
    Lazarus.Event.add("location-change", Lazarus.onLocationChange);

    Lazarus.Event.add("extension-uninstall", Lazarus.onUninstall);
    Lazarus.Event.add("extension-uninstall-request", Lazarus.onUninstallRequest);
    Lazarus.Event.add("application-startup", Lazarus.onStartUp);
    Lazarus.Event.add("application-startup", Lazarus.removeOldForms);
    Lazarus.Event.add("application-shutdown", Lazarus.fireClearPrivateDataOnShutdown);
    Lazarus.Event.add("application-shutdown", Lazarus.onShutdown);
    Lazarus.Event.add("clear-private-data", Lazarus.onClearPrivateData);

    Lazarus.startCleanupTimer();

    //show the statusbar image (if user wants it)
    Lazarus.refreshIcon();
}


Lazarus.onKeyDown = function(evt){
  var ele = evt.target;

  //ignore if we have already attached an onblur handler to this element
  if (!ele.lazarusIconAdded){
    switch(Lazarus.getElementType(ele)){
      case "text":
      case "password":
      case "textarea":
        //are we saving this element?
        var form = Lazarus.findFormFromElement(ele);
        var editor = Lazarus.findEditorFromElement(ele);
        if ((form && Lazarus.shouldSaveForm(form)) || (editor && Lazarus.shouldSaveEditorInfo(form))){
          //highlight element
          Lazarus.addBackgroundIcon(ele);
        }
        else {
          //ignore furthur keypresses on this element?
        }

      default:
        //ignore this element
    }
  }
}


Lazarus.addBackgroundIcon = function(ele){

  if (!ele.lazarusIconAdded){
    ele.lazarusIconAdded = true;

    var doc = ele.ownerDocument;
    if (!doc.lazarusIcon){
      var div = doc.createElement('div');
      div.style.width = "11px";
      div.style.height = "14px";
      div.style.position = "absolute";
      div.style.background = "url("+ Lazarus.icon +") no-repeat center center";
      div.title = Lazarus.getString('Lazarus.savingText');
      doc.body.appendChild(div);
      doc.lazarusIcon = div;
    }
    //now position the image over the end of the textbox
    var rect = ele.getBoundingClientRect();
    doc.lazarusIcon.style.top = rect.top +"px";
    doc.lazarusIcon.style.left = (rect.right - parseInt(doc.lazarusIcon.style.width)) +"px";
    doc.lazarusIcon.style.display = "block";

    var onBlur = function(){
      //hide the icon
      doc.lazarusIcon.style.display = "none";
      ele.lazarusIconAdded = false;
    }

    //when adding the icon, we should hide it on blur
    ele.addEventListener("blur", onBlur, false);
  }
}


/**
* restart the browser
*/
Lazarus.restart = function(){
  var nsIAppStartup = Components.interfaces.nsIAppStartup;
  Components.classes["@mozilla.org/toolkit/app-startup;1"].getService(nsIAppStartup).quit(nsIAppStartup.eRestart | nsIAppStartup.eAttemptQuit);
}

/**
* turns Lazarus off for this browser
*/
Lazarus.disable = function(){

    //add preference observers
    Lazarus.Pref.addObserver("extensions.lazarus.expireSavedForms", Lazarus.startCleanupTimer);
    Lazarus.Pref.addObserver("extensions.lazarus.expireSavedFormsInterval", Lazarus.startCleanupTimer);
    Lazarus.Pref.addObserver("extensions.lazarus.showInStatusbar", Lazarus.refreshIcon);

    //we need to capture any onsubmit event from forms within a webpage
    gBrowser.removeEventListener("submit", Lazarus.onFormSubmit, false);
    gBrowser.removeEventListener("submit", Lazarus.saveLastSubmittedForm, false);
    gBrowser.removeEventListener("DOMContentLoaded", Lazarus.autofillEvent, true);
    gBrowser.removeEventListener("DOMContentLoaded", Lazarus.initRecoverForm, true);
    gBrowser.removeEventListener("reset", Lazarus.onFormReset, false);
    gBrowser.removeEventListener("change", Lazarus.onFormChange, false);
    //we also need to save forms if people are typing into them.
    gBrowser.removeEventListener("keyup", Lazarus.onKeyUp, false);

    //need events when a user changes the current document
    Lazarus.Event.remove("location-change", Lazarus.onLocationChange);

    //clear the saved forms if user wants to when "clear private data" is hit.
    Lazarus.$("Tools:Sanitize").removeEventListener("command", Lazarus.fireClearPrivateDataIfNoPrompt, false);

    Lazarus.stopCleanupTimer();

    //and close the database
    Lazarus.db.close();

    //update the statusbar image
    Lazarus.refreshIcon();
}

/**
* return TRUE if we can encrypt a string (ie the Crypto component is working, and the public key exists)
*/
Lazarus.canEncrypt = function(){
    return Lazarus.Crypto.publicKey ? true : false;
}

Lazarus.canDecrypt = function(){
    return Lazarus.Crypto.privateKey ? true : false;
}



/**
* initalizes the lazarus recover-form page
*/
Lazarus.initRecoverForm = function(evt){
    var doc = evt.originalTarget;
    if (Lazarus.isDocRecoveryForm(doc)){
        doc.title = Lazarus.getString("recoverform.title");

        //Lazarus.$('heading', doc).innerHTML = Lazarus.getString("recoverform.title");
        Lazarus.$('description', doc).innerHTML = Lazarus.getString("recoverform.description");
        Lazarus.$('notes', doc).innerHTML= Lazarus.getString("recoverform.notes");

        Lazarus.$('form-url-label', doc).innerHTML= Lazarus.getString("recoverform.form.url");
        Lazarus.$('form-action-label', doc).innerHTML= Lazarus.getString("recoverform.form.action");
        Lazarus.$('notes', doc).innerHTML= Lazarus.getString("recoverform.notes");

        var m = doc.URL.match(/[\?&]id=(\d+)/)
        var id = m ? parseInt(m[1]) : -1;
        if (id > -1){
            var row = Lazarus.db.getRow("SELECT * FROM forms WHERE id = ?1", id);
            if (row){
                if (Lazarus.canDecrypt()){
                    var formInfo = Lazarus.JSON.decode(Lazarus.decrypt(row["forminfo"]));

                    Lazarus.$('form-url', doc).innerHTML = formInfo.origURL ? Lazarus.generateLinkFromURL(formInfo.origURL) : '';
                    Lazarus.$('form-action', doc).innerHTML = formInfo.action ? Lazarus.generateLinkFromURL(formInfo.action) : '';

                    var form = Lazarus.buildForm(formInfo, doc);
                    form.setAttribute("lazarus-form-id", row["formid"]);
                    Lazarus.$('form-box', doc).appendChild(form);
                    Lazarus.restoreForm(form, formInfo);
                }
                else {
                    //need to explain to user why we cannot fill in the form
                    Lazarus.showNotificationBox("password-required");
                }
            }
            else {
                Lazarus.$('form-box', doc).innerHTML = Lazarus.getString("error.form.not.found");
                Lazarus.$('form-box', doc).className = "warning";
            }
        }
        else {
            Lazarus.$('form-box', doc).innerHTML = Lazarus.getString("error.form.not.found");
            Lazarus.$('form-box', doc).className = "warning";
        }
    }
}

/**
* return TRUE if the given document is the lazarus Recover Form page.
*/
Lazarus.isDocRecoveryForm = function(doc){
    return (doc && doc.URL && doc.URL.indexOf("chrome://lazarus/content/recover-form.html") == 0);
}

/**
* generate an HTML link given a url.
* if url is too long, then truncate url to maxChars
*/
Lazarus.generateLinkFromURL = function(url, maxChars){

    maxChars = maxChars || 50;

    if (/^(file|http|https):/.test(url)){
        var text = url;
        if (text.length > maxChars){
            text = text.substring(0, maxChars -3) +"...";
        }

        return '<a href="'+ Lazarus.htmlEncode(url) +'" title="'+ Lazarus.htmlEncode(url) +'">'+ Lazarus.htmlEncode(text) +'</a>';
    }
    else {
        return Lazarus.htmlEncode(url);
    }
}

/**
* encode a string for display in an html page
*/
Lazarus.htmlEncode = function(str){
    str = str.replace(/&/g, "&");
    str = str.replace(/</g, "<");
    str = str.replace(/>/g, ">");
    str = str.replace(/"/g, """);
    return str;
}

/**
* builds an HTML form from a formInfo object
*/
Lazarus.buildForm = function(formInfo, doc){
    var form = doc.createElement("form");
    form.setAttribute("method", formInfo.method || "get");
    form.setAttribute("enctype", formInfo.enctype || "");
    //support for AJAX textareas
    form.isTextarea = formInfo.isTextarea;

    for(var name in formInfo.fields){
        for (var i=0; i<formInfo.fields[name].length; i++){
            var fieldInfo = formInfo.fields[name][i];
            var ele = null;
            var eleLabel = '';
            switch(fieldInfo.type){
                case "radio":
                case "checkbox":
                    if (formInfo.version && formInfo.version >= 1 && fieldInfo.value && typeof fieldInfo.value.valueAttr != "undefined"){
                        ele = doc.createElement("input");
                        ele.setAttribute("type", fieldInfo.type);
                        ele.setAttribute("value", fieldInfo.value.valueAttr);
                        eleLabel = name +"["+ fieldInfo.value.valueAttr +"]";
                    }
                    break;

                case "password":
                case "hidden":
                case "file":
                case "text":
                    ele = doc.createElement("input");
                    ele.setAttribute("type", fieldInfo.type);
                    break;

                case "textarea":
                    ele = doc.createElement("textarea");
                    break;

                case "select":
                    if (formInfo.version && formInfo.version >= 1 && Lazarus.isArray(fieldInfo.value) && fieldInfo.value.length){
                        ele = doc.createElement("select");

                        for (var i=0; i<fieldInfo.value.length; i++){
                            var opt = doc.createElement("option");
                            opt.setAttribute("value", fieldInfo.value[i]);
                            opt.appendChild(doc.createTextNode(fieldInfo.value[i]));
                            ele.appendChild(opt);
                        }
                        if (fieldInfo.value.length > 1){
                            ele.setAttribute("size", fieldInfo.value.length);
                            ele.setAttribute("multiple", "true");
                        }
                    }
                    break;

                //no saved
                case "submit":
                case "reset":
                case "button":
                case "image":
                    break;

                case "iframe":
                    //ignore iframes for now?
                    break;

                default:
                    Lazarus.error("Unknown element type ["+ fieldInfo.type +"]");
            }

            if (ele){
                if (fieldInfo.type == "hidden"){
                    form.appendChild(ele);
                }
                else {
                    var box = doc.createElement("div");
                    box.setAttribute("class", "form-field-box");

                    var label = doc.createElement("label");
                    var text = doc.createTextNode(eleLabel || name);
                    label.appendChild(text);
                    box.appendChild(label);

                    ele.setAttribute("name", fieldInfo.name);
                    ele.setAttribute("class", "form-field "+ fieldInfo.type);
                    box.appendChild(ele);
                    form.appendChild(box);
                }
            }
        }
    }

    return form;
}

/**
* save the last submitted form id for use in auto restore template
*/
Lazarus.saveLastSubmittedForm = function(evt){
    var form = Lazarus.findFormFromElement(evt.target);
    if (form){
        Lazarus.lastSubmittedFormId = Lazarus.getFormId(form);
    }
}

/**
* call autofill if this is a valid html document.
*/
Lazarus.autofillEvent = function(evt){
    if (evt.originalTarget instanceof HTMLDocument){
        Lazarus.autofillDoc(evt.originalTarget);
    }
}


/**
* convert a string of HTML into human readable text
*/
Lazarus.htmlToText = function(html){

    //replace headings (</h1>) and paragraph ends with 2 line breaks
    var text = html.replace(/\s*<\/((h\d)|p)\s*>\s*/ig," \n\n");

    //replace divs blocks with single line breaks
    text = text.replace(/\s*<(\/div)\b[^>]*>\s*/ig,"\n");

    //replace list items with line breaks and dots
    text = text.replace(/\s*<(li)\b[^>]*>\s*/ig,"\n * ");

    //replace line breaks
    text = text.replace(/<(br)\b[^>]*>/ig,"\n");

    //strip all other tags
    text = text.replace(/<(\/|\w)[^>]*>/g,' ');

    //convert html spaces into normal spaces
    text = text.replace(/ /g, ' ');

    //compress whitespace
    text = text.replace(/[ \t\f\v]+/g, ' ');

    //never have more than 2 line breaks in a row.
    text = text.replace(/\n\s*?\n(\s*?\n)*/g, "\n\n");

    //and finally trim.
    text = text.replace(/^\s+/, '').replace(/\s+$/, '');

    return text;
}


/**
* return TRUE if forms on the given document should be saved
*/
Lazarus.isValidDoc = function(doc){
    return (doc && doc.URL && /^(file|http|https):/.test(doc.URL));
}

/**
* autofills forms found in the given document with there respective templates if they exist
*/
Lazarus.autofillDoc = function(doc){

    if (Lazarus.isValidDoc(doc) && doc.forms && doc.forms.length){
        var rsAutoFillTemplates = Lazarus.db.rs("SELECT id, formid FROM forms WHERE autofill = 1 AND savetype = "+ Lazarus.FORM_TYPE_TEMPLATE +" ORDER BY created DESC");
        if (rsAutoFillTemplates.length > 0){
            var templates = {};
            //convert the template id's to a hash table
            //TODO: there should only ever be one autofill template for a given form
            //raise a warning if this is not the case
            for (var i=0; i<rsAutoFillTemplates.length; i++){
                templates[rsAutoFillTemplates[i]["formid"]] = rsAutoFillTemplates[i]["id"];
            }

            for (var i=0; i<doc.forms.length; i++){
                var form = doc.forms[i];
                var formId = Lazarus.getFormId(form);
                //only autofill if the form is empty, and the form hasn't just been submitted.
                if (formId != Lazarus.lastSubmittedFormId && templates[formId] && Lazarus.isFormEmpty(form)){
                    //if the user has a password and is not yet logged in, then we cannot autofill the form
                    if (Lazarus.canDecrypt()){
                        var encryptedFormInfo = Lazarus.db.getStr("SELECT forminfo FROM forms WHERE id = ?1", templates[formId]);
                        var formInfo = Lazarus.JSON.decode(Lazarus.decrypt(encryptedFormInfo));
                        Lazarus.restoreForm(form, formInfo);
                    }
                    else {
                        //need to explain to user why we cannot autofill the template.
                        Lazarus.showNotificationBox("password-required-autofill");
                        break;
                    }
                }
            }
        }
    }

    //if this is the currently visible tab, then clear the lastSubmittedFormId
    if (content.document && doc === content.document){
        Lazarus.lastSubmittedFormId = null;
    }
}

/**
* return TRUE if the given form contains no user entered text.
*/
Lazarus.isFormEmpty = function(form){
    for (var i=0; i<form.elements.length; i++){
        var ele = form.elements[i];
        switch (Lazarus.getElementType(ele)){
            case "text":
            case "textarea":
            case "file":
            case "password":
                var text = Lazarus.getElementValue(ele);
                if (Lazarus.trim(text)){
                    return false;
                }

            //ignore other input types
            default:
        }
    }
    return true;
}

/**
* initalise any developer specific functionality
*/
Lazarus.initDevEnviroment = function(){

    if (Lazarus.getExtPref("openErrorConsoleAtStartup", false)){
        //open the javascript console
        toJavaScriptConsole();
    }

    if (Lazarus.getExtPref("debugMode") >= 4){
        Lazarus.$('lazarus-statusbar-menuitem-test').hidden = false;
    }
}

/**
* handle text within the address bar changing
*/
Lazarus.onLocationChange = function(evt){
    //only close the notification if current page was not the result of submitting a form.
    if (!Lazarus.lastSubmittedFormId){
        Lazarus.closeNotificationBox(true);
    }
    Lazarus.refreshIcon();
}

/**
* fire the "clear private data" event
*/
Lazarus.fireClearPrivateDataIfNoPrompt = function(){
    if (!Lazarus.getPref("privacy.sanitize.promptOnSanitize", true)){
        Lazarus.Event.fire("clear-private-data");
    }
}


/**
* return the current state of lazarus
*/
Lazarus.getState = function(){
    if (!Lazarus.initalized){
        return Lazarus.STATE_UNINITALIZED;
    }
    else if (Lazarus.Crypto.generatingKeys || Lazarus.cleaningDatabase){
        return Lazarus.STATE_GENERATING_KEYS;
    }
    else if (!Lazarus.canEncrypt()){
        return Lazarus.STATE_DISABLED;
    }
    else if (Lazarus.isDisabledByPrivateBrowsing()){
        return Lazarus.STATE_PRIVATE_BROWSING;
    }
    else if (Lazarus.isPageDisabled()){
        return Lazarus.STATE_DISABLED_FOR_DOMAIN;
    }
    else if (!Lazarus.canDecrypt()){
        return Lazarus.STATE_PASSWORD_REQUIRED;
    }
    //all good?
    else {
        return Lazarus.STATE_ENABLED;
    }
}

/**
* fix for multiline xul:description elements
*/
Lazarus.setDescriptionText = function(ele, text){
    for (var i=ele.childNodes.length-1; i>=0; i--){
        ele.removeChild(ele.childNodes[i]);
    }
    ele.appendChild(ele.ownerDocument.createTextNode(text));
}

/**
* updates the statusbar icon
*/
Lazarus.refreshIcon = function(){

    Lazarus.$("lazarus-statusbarpanel").hidden = !Lazarus.getExtPref("showInStatusbar");

    var iconURL = "";
    var tooltipId = "";

    switch (Lazarus.getState()){
        case Lazarus.STATE_ENABLED:
            iconURL = "chrome://lazarus/skin/lazarus.png";
            tooltipId = "lazarus-statusbaricon-tooltip-enabled"
            break;

        case Lazarus.STATE_GENERATING_KEYS:
            iconURL = 'chrome://lazarus/skin/lazarus-loading.gif';
            tooltipId = 'lazarus-statusbaricon-tooltip-generatingkeys';
            break;

        case Lazarus.STATE_PASSWORD_REQUIRED:
            iconURL = "chrome://lazarus/skin/lazarus-login.png";
            tooltipId = "lazarus-statusbaricon-tooltip-passwordrequired";
            break;

        case Lazarus.STATE_DISABLED_FOR_DOMAIN:
            iconURL = "chrome://lazarus/skin/lazarus-disabled.png";
            tooltipId = "lazarus-statusbaricon-tooltip-disabledfordomain";
            break;

        case Lazarus.STATE_PRIVATE_BROWSING:
            iconURL = "chrome://lazarus/skin/lazarus-disabled.png";
            tooltipId = "lazarus-statusbaricon-tooltip-private-browsing";
            break;

        case Lazarus.STATE_UNINITALIZED:
        case Lazarus.STATE_DISABLED:
        default:
            iconURL = "chrome://lazarus/skin/lazarus-disabled.png";
            tooltipId = "lazarus-statusbaricon-tooltip-disabled";
    }

    //this appears to screw over firefox, missing images and such, if called during startup?
    //NOTE: firfox must be completely closed for this effect, using "restart" will NOT recreate it.
    //Lazarus.setDescriptionText(Lazarus.$("lazarus-statusbaricon-tooltip-description"), tooltip);

    Lazarus.$("lazarus-statusbarpanel-image").setAttribute("src", iconURL);
    Lazarus.$("lazarus-statusbarpanel-image").setAttribute("tooltip", tooltipId);
}

/**
* displays the lazarus welcome message
*/
Lazarus.showWelcome = function(){
    //dont show the welcome message immediately, need to wait a sec so the
    //browser is open, and we can center the dialog relative to it.
    //~ setTimeout(function(){
        //~ Lazarus.openOptionsDialog("welcome-pane");
    //~ }, 100);

    //hmmm, session recovery is happening after this event,
    //which is replacing our tab with the recovered sessions tabs
    setTimeout(function(){
        Lazarus.openLazarusWebsite("oninstall.html?ver="+ Lazarus.getVersionStr());
    }, 3000);
}

/**
* opens the lazarus onupdate page for this version of lazarus
*/
Lazarus.showUpdatePage = function(){
    //hmmm, session recovery is happening after this event,
    //which is replacing our tab with the recovered sessions tabs
    setTimeout(function(){
        Lazarus.openLazarusWebsite("onupdate.html?ver="+ Lazarus.getVersionStr());
    }, 3000);
}


/**
* handle when the first browser window is opened.
*/
Lazarus.onStartUp = function(){

}

/**
* onUninstall
*/
Lazarus.onUninstall = function(ext){

    if (ext.id == Lazarus.guid){

        //var msg = '';
        if (Lazarus.getExtPref("uninstall.removeSavedForms", false)){
            //remove database
            //unable to disconnect the database, so the best we can do is empty it.
            Lazarus.emptyDB();

        }
        if (Lazarus.getExtPref("uninstall.removeUserSettings", false)){
            //cleanup prefs
            Lazarus.killPref("extensions.lazarus");
            Lazarus.Pref.savePrefFile();
        }
    }
}

/**
*
*/
Lazarus.onUninstallRequest = function(ext){
    if (ext.id == Lazarus.guid){
        //ask the user if we should remove their preferences/saved forms
        //we need this dialog to appear from the addons dialog (if it exists)
        //~ var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService(Components.interfaces.nsIWindowMediator);
        //~ var win = wm.getMostRecentWindow("Extension:Manager");

        //~ //if theres no extension manager window (eg all-in-one-sidebar)
        //~ //use this window to open the dialog
        //~ if (!win){
            //~ win = window;
        //~ }
        //disabling dialog, uninstall process is stuffed up
        //win.openDialog("chrome://lazarus/content/uninstall.xul", "LazarusUninstallOptions", "chrome,dialog,modal,resizable=yes,titlebar=yes");
    }
}


/**
* return TRUE if the given editor still exists in the browser
*/
Lazarus.editorExists = function(info){
    try {
        //KLUDGE:
        //if a page is refreshed then the page remains, even if you then navigate away from it.
        //it appears to still exist, even though the user cannot see it.
        if (Lazarus.isIframe(info.editor) && (!info.editor.contentWindow || !info.editor.contentWindow.document)){
            return false;
        }
        else {
            return (info.editor.ownerDocument.defaultView && (info.url == info.editor.ownerDocument.defaultView.top.location.href));
        }
    }
    catch(e){
        return false;
    }
}


Lazarus.saveEditorInfo = function(info, saveType){


    if (Lazarus.shouldSaveEditorInfo(info)){

        var textHash = Lazarus.md5(info.text);

        if (saveType == Lazarus.FORM_TYPE_AUTOSAVE){
            var record = Lazarus.db.getRow("SELECT id, text_hash FROM textdata WHERE domain_hash = ?1 AND savetype = ?2 LIMIT 1", info.domainHash, Lazarus.FORM_TYPE_AUTOSAVE);
            //if form hasn't changed
            if (record && record.text_hash == textHash){
                //do nothing...
            }
            //if it has changed, or doesn't exist yet, save the changes
            else {
                Lazarus.debug("Saving textdata - autosave", info);
                if (record){
                    Lazarus.db.exe("DELETE FROM textdata WHERE id = ?1", record.id);
                    //and get rid of any fulltext index as well
                    Lazarus.db.exe("DELETE FROM textdata_fulltext WHERE docid = ?1", record.id);
                }
                var encText = Lazarus.encrypt(info.text);
                var encSummary = Lazarus.encrypt(info.summary);

                var id = Lazarus.db.insert("INSERT INTO textdata (text_encrypted, summary_encrypted, created, domain_hash, url_encrypted, text_hash, text_length, savetype) \
                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8)",
                    encText, encSummary, info.created, info.domainHash, info.urlEncrypted, textHash, info.text.length, Lazarus.FORM_TYPE_AUTOSAVE);

                //and update the full text index,
                if (!Lazarus.getPref('extensions.lazarus.disableSearch')){
                    //we're going to add domain info into this as well
                    var hashedText = Lazarus.hashText(info.text);
                    hashedText += ' '+ Lazarus.hashText(info.domain.replace(/\./g, ' '));
                    Lazarus.db.exe("INSERT INTO textdata_fulltext (docid, hashed_text) VALUES (?1, ?2)", id, hashedText);
                }
            }
        }
        else {

            //if the info object already exists, with exactly the same text, then just update the timestamp
            var id = Lazarus.db.getInt("SELECT id FROM textdata WHERE domain_hash = ?1 AND text_hash = ?2 LIMIT 1", info.domainHash, textHash);
            if (id){
                Lazarus.debug("Updating textdata - perm", info);
                Lazarus.db.exe("UPDATE textdata SET created = ?1, savetype = ?2 WHERE id = ?3", info.created, Lazarus.FORM_TYPE_NORMAL, id);
            }
            //otherwise, insert a new info object
            else {
                Lazarus.debug("Saving textdata - perm", info);
                var encText = Lazarus.encrypt(info.text);
                var encSummary = Lazarus.encrypt(info.summary);

                var id = Lazarus.db.insert("INSERT INTO textdata (text_encrypted, summary_encrypted, created, domain_hash, url_encrypted, text_hash, text_length, savetype) \
                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8)",
                    encText, encSummary, info.created, info.domainHash, info.urlEncrypted, textHash, info.text.length, Lazarus.FORM_TYPE_NORMAL);

                if (!Lazarus.getPref('extensions.lazarus.disableSearch')){
                    var hashedText = Lazarus.hashText(info.text);
                    hashedText += ' '+ Lazarus.hashText(info.domain.replace(/\./g, ' '));
                    Lazarus.db.exe("INSERT INTO textdata_fulltext (docid, hashed_text) VALUES (?1, ?2)", id, hashedText);
                }
            }
        }
    }
}


/**
* genereate a random seed for use in the hashing function
*/
Lazarus.generateRandomHashSeed = function(){
    var rnd = Math.random().toString() +':'+ Lazarus.timestamp(true).toString();
    return Lazarus.FNV1a(rnd);
}


/**
* hashes individual words in a bunch of text
*/
Lazarus.hashText = function(text){

    //we'll need to grab the seed from the database.
    var seed = Lazarus.db.getStr("SELECT value FROM settings WHERE name = 'hash-seed'");

    if (!seed){
        seed = Lazarus.generateRandomHashSeed();
        Lazarus.db.exe("INSERT INTO settings (name, value) VALUES ('hash-seed', ?1)", seed);
        //and delete the full text index, because none of the others will work any more
        Lazarus.db.exe("DELETE FROM textdata_fulltext");
    }

    //var p = new Profiler("hashedText: "+ text.length);
    var map = {};
    //p.mark("setup");

    //remove all non-text characters (strip HTML?)
    text = Lazarus.trim(text.toLowerCase().replace(/[^\s\w\-_]+/g, ' '));
    //p.mark("remove non-text: "+ text.length);

    var words = text.split(/\s+/g);
    //p.mark("split into words : "+ words.length);
        //we should also remove useless words (like "the", "and", "as" etc...)
    var len = words.length;
    var hashedWords = [];
    for (var i=0; i<len; i++){
        var word = words[i];
        if (!map[word]){
            map[word] = Lazarus.FNV1a(word, seed);
        }
        hashedWords.push(map[word]);
    }
    //p.mark("hash words");

    //hashed text comes out at 70,000 characters for a 56,000 character start.
    //acceptable.
    var hashedText = hashedWords.join(" ");
    //debug(p.stop("join text: "+ hashedText.length));
    return hashedText;
}


/**
* hash text within a MATCH query whilst keeping SQLite MATCH keywords/characters
*/
Lazarus.hashQuery = function(query){
    //phrase searches ('"broccoli cheese"')
    //Excluding terms ('onions -celery')
    //OR queries ('onions OR cheese')
    //Prefix search ('ch*') cannot be used due to hashing of the text strings.
    return query.replace(/\w+/g, function(m){
        if (m.toLowerCase() == "or"){
            return "OR";
        }
        else {
            return Lazarus.hashText(m);
        }
    });
}

Lazarus.saveAutoSaveText = function(){
    Lazarus.db.exe("UPDATE textdata SET savetype = ?1 WHERE savetype = ?2", Lazarus.FORM_TYPE_NORMAL, Lazarus.FORM_TYPE_AUTOSAVE);
}

Lazarus.autoSaveEditors = function(){

    //NOTE: traversing backwards through the list so we can remove items without it affecting
    //the rest of the list
    var removed = [];

    for (var i=Lazarus.editorInfos.length-1; i>=0; i--){
        var info = Lazarus.editorInfos[i];
        //the page may have been submitted, or closed without submitting
        //if the editor is suddenly empty, we should assume it has been submitted (possibly via AJAX)
        if (!Lazarus.editorExists(info) || Lazarus.getEditorInfo(info.editor).isEmpty){
            removed.push(info);
            Lazarus.editorInfos.splice(i, 1);
        }
    }

    //and save any that have been removed
    for (var i=0; i<removed.length; i++){
        Lazarus.saveEditorInfo(removed[i]);
    }

    //we also want to update the current textbox (if any)

    //all others should be saved as "temporary saves"
    for (var i=0; i<Lazarus.editorInfos.length; i++){
        if (Lazarus.editorInfos[i].editor === Lazarus.currentEditor){
            Lazarus.saveEditorInfo(Lazarus.editorInfos[i], Lazarus.FORM_TYPE_AUTOSAVE);
            break;
        }
    }

    if (Lazarus.editorInfos.length == 0){
        Lazarus.stopEditorAutoSaveTimer();
    }
}


/**
* return the previous editosInfo
*/
Lazarus.getPreviousEditorInfo = function(editor){
    for (var i=0; i<Lazarus.editorInfos.length; i++){
        if (Lazarus.editorInfos[i].editor === editor){
            return Lazarus.editorInfos[i];
        }
    }
    return null;
}


/**
* remove an editor info object from our list
*/
Lazarus.removeEditorInfo = function(info){
    for (var i=0; i<Lazarus.editorInfos.length; i++){
        if (Lazarus.editorInfos[i].editor === info.editor){
            Lazarus.editorInfos.splice(i, 1);
            return true;
        }
    }
    return false;
}


/**
* update editor info
*/
Lazarus.updateEditorInfo = function(info){
    for (var i=0; i<Lazarus.editorInfos.length; i++){
        if (Lazarus.editorInfos[i].editor === info.editor){
            Lazarus.editorInfos[i] = info;
            return true;
        }
    }
    return false;
}



/**
* save forms if people are typing into them
*/
Lazarus.onKeyUp = function(evt){
    //dont save form for every keypress (CPU hog)
    //we'll restart a timer whenever a key is pressed,
    //and save when the timer fires.
    var form = Lazarus.findFormFromElement(evt.target);

    if (Lazarus.isPageDisabled()){
        return;
    }

    //if the event happened within a form, set a timer to auto save the form
    if (form && form.ownerDocument instanceof HTMLDocument){
        Lazarus.restartAutoSaveTimer(form);
    }

    //we'll do the same for textarea's and contentEditable iframes
    var editor = Lazarus.findEditorFromElement(evt.target);

    if (editor){

        Lazarus.currentEditor = editor;

        var info = Lazarus.getEditorInfo(editor);
        var prevInfo = Lazarus.getPreviousEditorInfo(editor);

        if (prevInfo){
            //if the textbox is suddenly empty, the form may have been submitted or reset (or all contents removed (ctrl+a + del))
            if (info.isEmpty){
                Lazarus.saveEditorInfo(prevInfo);
                //then remove the editorInfo from the list
                Lazarus.removeEditorInfo(prevInfo);
            }
            //otherwise update the previous editorInfo, and wait for the timer to save it.
            else {
                Lazarus.updateEditorInfo(info);
            }
        }
        //this is the first time the user has typed into this textbox
        //save it, if it's got some text in it
        else if (!info.isEmpty){
            Lazarus.editorInfos.push(info);
            Lazarus.restartEditorAutoSaveTimer();
        }
        else {
            //editor is empty, dont keep it
        }

        Lazarus.restartEditorAutoSaveTimer();
    }
}


/**
* return an editor info object
*/
Lazarus.getEditorInfo = function(editor){
    var info = {}
    info.editor = editor;
    info.text = Lazarus.extractText(editor);
    info.isEmpty = Lazarus.isEditorEmpty(editor);
    info.summary = Lazarus.generateSummary(info.text);
    info.created = Lazarus.timestamp();
    info.domain = Lazarus.getDomainFromElement(editor);
    info.domainHash = Lazarus.md5(info.domain);
    info.basedomain = Lazarus.getBaseDomain(info.domain);
    info.url = editor.ownerDocument.defaultView.top.location.href;
    info.urlEncrypted = Lazarus.encrypt(info.url);
    return info;
}


/**
* return TRUE if the editor doesn't contain any text
*/
Lazarus.isEditorEmpty = function(editor){
    var text = Lazarus.extractText(editor);
    var type = editor.nodeName.toLowerCase();
    if (type == "textarea"){
        return text.match(/^\s*$/) ? true : false;
    }
    else if (type == "iframe"){
        return text.replace(/(<(\/|\w)[^>]*>)|( )/g, '').match(/^\s*$/) ? true : false;
    }
    else {
        throw Error("Unknown editor type: "+ type);
    }
}

/**
* return the text/html from an editable iframe or textarea
*/
Lazarus.extractText = function(ele){
    var text = '';
    if (Lazarus.isTextarea(ele)){
        text = (typeof ele.value == "string") ? ele.value : '';
    }
    else if (Lazarus.isIframe(ele)){
        text = (typeof ele.contentWindow.document.body.innerHTML) ? ele.contentWindow.document.body.innerHTML : '';
    }
    return Lazarus.trim(text);
}


/**
* generate a safe summary for display within a XUL:menuitem or XUL:tooltip
*/
Lazarus.generateSummary = function(text){
    //strip html
    text = Lazarus.htmlToText(text);
    return (text.length > 255) ? (text.substr(0, 252) +"...") : text;
}

Lazarus.restartEditorAutoSaveTimer = function(){
    Lazarus.stopEditorAutoSaveTimer();
    Lazarus.editorAutoSaveFormTimer = setInterval(Lazarus.autoSaveEditors, Lazarus.getExtPref("autoSaveInterval", 2000));
}
Lazarus.stopEditorAutoSaveTimer = function(){
    if (Lazarus.editorAutoSaveFormTimer){
        clearInterval(Lazarus.editorAutoSaveFormTimer);
    }
}


/**
* start the autosave timer
*/
Lazarus.restartAutoSaveTimer = function(form){
    Lazarus.stopAutoSaveTimer();
    //we'll save the form here, so we can retrieve it when the timer fires
    Lazarus.currAutoSaveForm = form;
    Lazarus.autoSaveFormTimer = setTimeout(Lazarus.autoSaveForm, Lazarus.getExtPref("autoSaveInterval", 2000));
}

/**
* stops the autosave timer.
*/
Lazarus.stopAutoSaveTimer = function(){
    if (Lazarus.autoSaveFormTimer){
        clearTimeout(Lazarus.autoSaveFormTimer);
    }
}

/**
* run cleanup for this window
*/
Lazarus.cleanup = function(){
    gBrowser.removeEventListener("keyup", Lazarus.onKeyUp, false);
    gBrowser.removeEventListener("submit", Lazarus.onFormSubmit, false);
    gBrowser.removeEventListener("reset", Lazarus.onFormReset, false);
    gBrowser.removeEventListener("change", Lazarus.onFormChange, false);
    Lazarus.$("Tools:Sanitize").removeEventListener("command", Lazarus.fireCLearPrivateDataIfNoDialog, false);
    Lazarus.stopCleanupTimer();
}

/**
* handle last browser window shutting down
*/
Lazarus.onShutdown = function(){

}

/**
*
*/
Lazarus.onContextMenuHide = function(){
    Lazarus.isContextMenuShowing = false;
}


/**
* show or hide the menu item depending on what item caused the context menu to appear.
*/
Lazarus.onContextMenuShowing = function(evt){

    //we need to set a flag to prevent new autosaves whilst the context menu is shown
    Lazarus.isContextMenuShowing = true;

    //this event is fired whenever a submenu is shown, as well as when the main context menu it shown
    //bugfix: only re-calculate the popup menu when it's first opened.
    //trying to alter the initial menu when a submenu is opened can cause the browser to hang.

    //hmmm this is causing a noticable hang when the form contains a lot (30k) of info
    //as a workaround, we will not calculate any submenu until the submenu is opened.
    var evtTargetId = evt.target.id;

    //quick check
    if (evtTargetId != "contentAreaContextMenu" && evtTargetId != "lazarus-restoreform-submenu-menupopup" && evtTargetId != "lazarus-restoretext-submenu-menupopup"){
        return;
    }


    //did the user click on a form?
    var form = Lazarus.findFormFromElement(gContextMenu.target);
    var editor = Lazarus.findEditorFromElement(gContextMenu.target);

    if (evtTargetId == "contentAreaContextMenu"){

        //assume we should not show any menuitems
        var showMainMenu = false;
        var showSubMenu = false;
        var showLogin = false;
        var showSaveForm = false;
        var showPageDisabled = false;
        var showPrivateBrowsing = false;

        var showRestoreText = false;
        var showRestoreTextDisabled = false;


        if (!form && !editor){
            //dont show anything
        }
        else if (Lazarus.isDisabledByPrivateBrowsing()){
            showPrivateBrowsing = true;
        }
        else if (Lazarus.isPageDisabled(form.ownerDocument.URL)){
            showPageDisabled = true;
        }
        else if (!Lazarus.canDecrypt()){
            showLogin = true;
        }
        else {
            if (form){

                showSaveForm = true;
                var savedForms = Lazarus.getFormInfo(form, "id, formid, created, savetype, forminfohash, formtext, formname");

                //just show the one menu item, but dont show it if the form is identical to this one.
                if (savedForms.length == 1){
                    showMainMenu = true;
                    var info = Lazarus.formInfo(form);

                    var infoHash = Lazarus.generateHash(info.fields);

                    if (infoHash == savedForms[0]["forminfohash"]){
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('src', "chrome://lazarus/skin/lazarus-disable.png");
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('disabled', "true");
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('tooltiptext', Lazarus.getString("form.is.equal"));
                    }
                    else {
                        var savedForm = savedForms[0];
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('src', "chrome://lazarus/skin/lazarus.png");
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('lazarus-forms-id', savedForm["id"]);
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('tooltiptext', Lazarus.generateSavedFormTooltip(savedForm));
                        Lazarus.$('lazarus-restoreform-contextmenuitem').setAttribute('disabled', "");
                    }
                }
                //show submenu
                else if (savedForms.length > 1){
                    showSubMenu = true;
                }
            }

            if (editor){
                showRestoreTextDisabled = true;
                //do we have any text saved for this domain/basedomain?
                var domain = Lazarus.getDomainFromElement(editor);
                if (domain){
                    var domainHash = Lazarus.md5(domain);
                    if (Lazarus.db.getInt("SELECT count(id) FROM textdata WHERE domain_hash = ?1 LIMIT 1", domainHash)){
                        showRestoreText = true;
                        showRestoreTextDisabled = false;
                    }
                }
            }
        }

        //only show our menu item if over a form.
        Lazarus.$('lazarus-restoretextdisabled-contextmenuitem').hidden = !showRestoreTextDisabled;
        Lazarus.$('lazarus-restoretext-submenu').hidden = !showRestoreText;
        Lazarus.$('lazarus-restoreform-contextmenuitem').hidden = !showMainMenu;
        Lazarus.$('lazarus-restoreform-submenu').hidden = !showSubMenu;
        Lazarus.$('lazarus-enterpassword-contextmenuitem').hidden = !showLogin;
        Lazarus.$('lazarus-domaindisabled-contextmenuitem').hidden = !showPageDisabled;
        Lazarus.$('lazarus-privatebrowsing-contextmenuitem').hidden = !showPrivateBrowsing;
        Lazarus.$('lazarus-saveform-contextmenuitem').hidden = !(showSaveForm && Lazarus.getExtPref("includeExperimental", false));
    }
    else if (evtTargetId == "lazarus-restoreform-submenu-menupopup" && form){
        Lazarus.buildSubMenu(form);
    }
    else if (evtTargetId == "lazarus-restoretext-submenu-menupopup" && editor){
        Lazarus.buildRestoreTextSubMenu(editor);
    }
}



Lazarus.getDomainFromElement = function(ele){
    try {
        return ele.ownerDocument.defaultView.top.location.host;
    }
    catch(e){
        return null;
    }
}

/**
* builds the list of items that can be restored for this editor element
*/
Lazarus.buildRestoreTextSubMenu = function(editor){
    //
    var menu = Lazarus.$("lazarus-restoretext-submenu-menupopup");
    //remove all the current submenu items
    while(menu.lastChild){
        menu.removeChild(menu.lastChild);
    }

    var domainHash = Lazarus.md5(Lazarus.getDomainFromElement(editor));

    //and build the new ones
    var items = Lazarus.db.rs("SELECT id, text_hash, summary_encrypted, created FROM textdata WHERE domain_hash = ?1 ORDER BY created DESC LIMIT ?2", domainHash, Lazarus.getPref('extensions.lazarus.maxTextItemsInSubmenu', 20));

    var text = Lazarus.extractText(editor);
    var textHash = Lazarus.md5(text);

    for (var i=0; i<items.length; i++){
        var item = items[i];
        var menuitem = document.createElement("menuitem");

        if (Lazarus.getExtPref("showFormTextInSubMenu") && Lazarus.canDecrypt()){
            var summary = Lazarus.decrypt(item["summary_encrypted"]);
            menuitem.setAttribute("label", summary);
            menuitem.setAttribute("tooltiptext", summary);
        }
        else {
            var time = Lazarus.timestamp();
            menuitem.setAttribute("label", Lazarus.getTimeString(time - item["created"]));
            //show the tooltip if possible
            if (Lazarus.canDecrypt()){
                menuitem.setAttribute("tooltiptext", Lazarus.decrypt(item["summary_encrypted"]));
            }
        }

        menuitem.setAttribute("lazarus-restoretext-id", item["id"]);
        menuitem.setAttribute("oncommand", "Lazarus.onRestoreTextMenuItem(this)");

        //disable the menu item if the form is identical
        if (item["text_hash"] == textHash){
            menuitem.setAttribute('tooltiptext', Lazarus.getString("text.is.equal"));
            menuitem.setAttribute('disabled', "true");
        }
        menu.appendChild(menuitem);
    }
}

/**
*
*/
Lazarus.getFormRestoredNotificationText = function(charsRestored, msgId){
    //we're trying out a bunch of text at the moment
    var numChars = Lazarus.formatNumber(charsRestored);
    var numForms = Lazarus.formatNumber(Lazarus.db.getInt("SELECT COUNT(*) FROM forms"));
    var numText = Lazarus.formatNumber(Lazarus.db.getInt("SELECT COUNT(*) FROM textdata"));

    var msgs = [
        'Lazarus has just saved you from having to retype '+ numChars +' characters. If you feel this has helped you, then please consider donating to this project so we can make Lazarus even better.',
        'Lazarus restored '+ numChars +' characters.\nDatabase contains '+ numForms +' Forms and '+ numText +' Text-blocks.',
        'Lazarus restored '+ numChars +' characters.\nDatabase contains '+ numForms +' Saved Forms and '+ numText +' Textareas.',
        'Lazarus resurrected '+ numChars +' characters.\nLazarus is securely storing '+ numForms +' Forms and '+ numText +' Text-blocks'
    ];

    return msgs[msgId];
}


/**
*
*/
Lazarus.onRestoreTextMenuItem = function(menuitem){
    if (!Lazarus.canDecrypt()){
        Lazarus.debug("Unable to restore form, password required");
        Lazarus.showNotificationBox("password-required");
        return;
    }

    var editor = Lazarus.findEditorFromElement(gContextMenu.target);

    if (editor){
        var id = parseInt(menuitem.getAttribute("lazarus-restoretext-id"));

        Lazarus.debug("Attempting to restore text: "+ id);

        var enc_text = Lazarus.db.getStr("SELECT text_encrypted FROM textdata WHERE id = ?1", id);
        if (enc_text){
            var text = Lazarus.decrypt(enc_text);
            if (text){
                Lazarus.setElementValue(editor, text);
                Lazarus.incPref("extensions.lazarus.restoreFormCount");
                if ((text.length > Lazarus.MIN_TEXT_NEEDED_TO_SHOW_NOTIFICATION) && Lazarus.getPref("extensions.lazarus.showDonateNotification") && Lazarus.getPref("extensions.lazarus.restoreFormCount", 0) > 3){
                    var msgId = Math.floor(Math.random() *  4);
                    Lazarus.showNotificationBox("form-restored", Lazarus.getFormRestoredNotificationText(text.length, msgId), "msgid-"+ msgId);
                }
            }
            else {
                alert(Lazarus.getString("error.form.db.corrupt"));
            }
        }
        else {
            Lazarus.error("Unable to find textdata: "+ id);
            alert(Lazarus.getString("error.form.not.found"));
        }
    }
    else {
        //should never get here
        alert(Lazarus.getString("error.form.object.not.found"));
    }
}


/**
* generates an md5 hash of a javascript object
*/
Lazarus.generateHash = function(obj){
    return Lazarus.md5(Lazarus.JSON.encode(obj));
}

/**
* return the current unix timestamp
*/
Lazarus.timestamp = function(asFloat){
    var s = new Date().getTime() / 1000;
    return asFloat ? s : Math.floor(s);
}

/**
* return text usable by a menuitem (XUL Label)
*/
Lazarus.getMenuItemText = function(text){

        //strip any html found in the text
        text = Lazarus.trim(Lazarus.cleanText(text));

    //labels only handle a single line of text
    text = text.split(/\n/, 2)[0];
    //and we dont want it to be too long
    if (text.length > 48){
        text = text.substr(0, 48) +"...";
    }
        return Lazarus.trim(text);
}


/**
* ask the user for their Lazarus password
*/
Lazarus.showEnterPasswordDialog = function(){

    var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].getService(Components.interfaces.nsIPromptService);

    //keep asking until they hit cancel
    while(true){
        var password = {value: ""};
        var check = {value: false};
        //if a user has a master password set, then allow the lazarus password to be saved in the SSD
        var checkText = Lazarus.isMasterPasswordSet() ? Lazarus.getString('password.dialog.checkbox.label') : null;
        //
        if (prompts.promptPassword(null, Lazarus.getString("password.dialog.title"), Lazarus.getString("password.dialog.label"), password, checkText, check)){
            if (Lazarus.loadPrivateKey(password.value)){
                if (check.value){
                    Lazarus.savePassword(password.value);
                }
                return true;
            }
        }
        else {
            break;
        }
    }

    return false;
}


Lazarus.savePassword = function(password){
    //remove the existing password first.
    Lazarus.removePassword();
    var nsLoginInfo = new Components.Constructor("@mozilla.org/login-manager/loginInfo;1", Components.interfaces.nsILoginInfo, "init");
    var loginInfo = new nsLoginInfo(Lazarus.LOGIN_HOSTNAME, null, Lazarus.LOGIN_REALM, Lazarus.LOGIN_USERNAME, password, '', '');
    var nsLoginManager = Components.classes["@mozilla.org/login-manager;1"].getService(Components.interfaces.nsILoginManager);
    nsLoginManager.addLogin(loginInfo);
}


Lazarus.removePassword = function(){

    // Get Login Manager
    var nsLoginManager = Components.classes["@mozilla.org/login-manager;1"].getService(Components.interfaces.nsILoginManager);
    // Find users for this extension
    var logins = nsLoginManager.findLogins({}, Lazarus.LOGIN_HOSTNAME, null, Lazarus.LOGIN_REALM);
    for (var i = 0; i < logins.length; i++) {
        if (logins[i].username == Lazarus.LOGIN_USERNAME){
            nsLoginManager.removeLogin(logins[i]);
        }
    }
}

/**
* load the password from the loginManager
*/
Lazarus.loadPassword = function(){

    if (Lazarus.isMasterPasswordSet() && !Lazarus.isMasterPasswordRequired()){
        // Get Login Manager
        var nsLoginManager = Components.classes["@mozilla.org/login-manager;1"].getService(Components.interfaces.nsILoginManager);

        // Find users for the given parameters
        var logins = nsLoginManager.findLogins({}, Lazarus.LOGIN_HOSTNAME, null, Lazarus.LOGIN_REALM);

        // Find user from returned array of nsILoginInfo objects
        for (var i = 0; i < logins.length; i++) {
            if (logins[i].username == Lazarus.LOGIN_USERNAME){
                return logins[i].password;
            }
        }
    }
    //we default to an empty password
    return '';
}

Lazarus.logout = function(){
    Lazarus.unloadPrivateKey();
    Lazarus.refreshIcon();
}

/**
* generate a label for saved form menuitem
*/
Lazarus.generateSavedFormLabel = function(savedForm, time){
    var label = '';

    //template should ALWAYS use their template name as a label
    if (savedForm["savetype"] == Lazarus.FORM_TYPE_TEMPLATE){
        label = savedForm["formname"];
    }
    //use summary
    else if (Lazarus.getExtPref("showFormTextInSubMenu") && Lazarus.canDecrypt()){
        label = Lazarus.getMenuItemText(Lazarus.decrypt(savedForm["formtext"])) || ("["+ Lazarus.getString("untitled") +"]");
    }
        //use timestamps if we are unable to decrypt the forms
    else {
        time = time || Lazarus.timestamp();
        label = Lazarus.getTimeString(time - savedForm["created"]);
    }

    //mark autosaved forms so users can easily tell the difference.
    switch(savedForm["savetype"]){
        case Lazarus.FORM_TYPE_AUTOSAVE:
        case Lazarus.FORM_TYPE_STALE_AUTOSAVE:
            label += " "+ Lazarus.getString("menuitem.label.append.autosave");
            break;

        case Lazarus.FORM_TYPE_TEMPLATE:
            label += " "+ Lazarus.getString("menuitem.label.append.template");
            break;

        default:
            label += " "+ Lazarus.getString("menuitem.label.append.normal");
            break;
    }

    return label;
}

/**
* generate a tooltip for saved form menuitem
*/
Lazarus.generateSavedFormTooltip = function(savedForm, /**/time){

    time = time || Lazarus.timestamp();

    var tooltip = '';

    //show time sting as tooltip
    if (Lazarus.getExtPref("showFormTextInSubMenu")){

        tooltip = Lazarus.getTimeString(time - savedForm["created"]);
    }
    //show date and time of save
    else {
        var date = new Date(savedForm["created"] * 1000);
        tooltip = Lazarus.formatDate(date);
    }

    //mark autosaved forms so users can easily tell the difference.
    switch(savedForm["savetype"]){
        case Lazarus.FORM_TYPE_AUTOSAVE:
        case Lazarus.FORM_TYPE_STALE_AUTOSAVE:
            tooltip += " "+ Lazarus.getString("menuitem.tooltip.append.autosave");
            break;

        case Lazarus.FORM_TYPE_TEMPLATE:
            tooltip += " "+ Lazarus.getString("menuitem.tooltip.append.template");
            break;

        default:
            tooltip += " "+ Lazarus.getString("menuitem.tooltip.append.normal");
            break;
            //do nothing
    }

    return tooltip;
}

/**
* builds the list of available restore point into the submenu
*/
Lazarus.buildSubMenu = function(form){


    var menu = Lazarus.$("lazarus-restoreform-submenu-menupopup");
    //remove all the current submenu items
    for (var i=menu.childNodes.length-1; i>=0; i--){
        var node = menu.childNodes[i];
        if (node.getAttribute("lazarus-dynamic-submenu")){
            menu.removeChild(node);
        }
    }

    var time = Lazarus.timestamp();
    var separator = Lazarus.$("lazarus-submenu-separator");
    //now build the new ones
    var lastSaveType = -1;
    var savedForms = Lazarus.getFormInfo(form, "id, formid, created, savetype, forminfohash, formtext, formname, forminfo");
    var info = Lazarus.formInfo(form);
    var infoHash = Lazarus.generateHash(info.fields);

    for (var i=0; i<savedForms.length; i++){
        var savedForm = savedForms[i];
        var menuitem = document.createElement("menuitem");

        //generate text for the label
        //menuitems can only handle a single line of text, and we don't want it to be too long
        var label = Lazarus.generateSavedFormLabel(savedForm, time);
        var tooltip = Lazarus.generateSavedFormTooltip(savedForm, time);

        menuitem.setAttribute("label", label);
        //menuitem.setAttribute('tooltiptext', tooltip);
        menuitem.setAttribute('oncommand', "Lazarus.onRestoreFormMenuItem(this)");
        menuitem.setAttribute('lazarus-forms-id', savedForm["id"]);
        menuitem.setAttribute('lazarus-dynamic-submenu', "true");

        //disable the menu item if the form is identical
        if (savedForm["forminfohash"] == infoHash){
            menuitem.setAttribute('tooltiptext', Lazarus.getString("form.is.equal"));
            menuitem.setAttribute('disabled', "true");
        }
        else {
            menuitem.setAttribute('tooltiptext', tooltip);
            menuitem.setAttribute('disabled', "");
        }

        //add separators between templates, normal saves, and autosaves
        if (lastSaveType != -1 && lastSaveType !== savedForm["savetype"] && savedForm["savetype"] != Lazarus.FORM_TYPE_STALE_AUTOSAVE){
            var newSeparator = document.createElement("menuseparator");
            newSeparator.setAttribute('lazarus-dynamic-submenu', "true");
            menu.insertBefore(newSeparator, separator);
        }
        lastSaveType = savedForm["savetype"];
        menu.insertBefore(menuitem, separator);
    }
}


/**
* return the period (in seconds) that forms should be saved for
*/
Lazarus.getExpiryTime = function(){

    if (Lazarus.getExtPref("expireSavedForms")){
        return (Lazarus.getExtPref("expireSavedFormsInterval") * Lazarus.getExtPref("expireSavedFormsUnit") * 60);
    }
    else {
        return 0;
    }
}

/**
* retrieves a list of details about a form from the database.
*/
Lazarus.getFormInfo = function(form, fields){
    var formId = Lazarus.getFormId(form);

    var expires = Lazarus.getExpiryTime();
    var cutoffTime = (expires > 0) ? (Lazarus.timestamp() - expires) : 0;

    fields = fields || "*";
    //we need to get ALL the templates for this form first
    var forms = [];
    forms = forms.concat(Lazarus.db.rs("SELECT "+ fields +" FROM forms WHERE formid = ?1 AND created >= ?2 AND savetype = "+ Lazarus.FORM_TYPE_TEMPLATE +" ORDER BY savetype DESC, created DESC", formId, cutoffTime));
    //and then the autosaves
    var maxAutoSaves = Lazarus.getExtPref("maxAutosavesPerForm", 3);
    forms = forms.concat(Lazarus.db.rs("SELECT "+ fields +" FROM forms WHERE formid = ?1 AND created >= ?2 AND savetype IN ("+ Lazarus.FORM_TYPE_AUTOSAVE +","+ Lazarus.FORM_TYPE_STALE_AUTOSAVE +") ORDER BY created DESC LIMIT ?3", formId, cutoffTime, maxAutoSaves));
    //and then add normal saved forms
    var maxForms = Lazarus.getExtPref("maxSavesPerForm", 10);
    forms = forms.concat(Lazarus.db.rs("SELECT "+ fields +" FROM forms WHERE formid = ?1 AND created >= ?2 AND savetype = "+ Lazarus.FORM_TYPE_NORMAL +" ORDER BY created DESC LIMIT ?3", formId, cutoffTime, maxForms));
    return forms;
}


/**
* return a fieldInfo object filled with information about the given field
*/
Lazarus.fieldInfo = function(ele){

    var getPassword = Lazarus.getExtPref("savePasswordFields");
    var getHidden = Lazarus.getExtPref("saveHiddenFields");

    var info = {};
    info.name = ele.getAttribute("name");
    info.type = Lazarus.getElementType(ele);
    info.value = Lazarus.getElementValue(ele);
    if (info.type == "password" && !getPassword){
        info.value = null;
    }
    if (info.type == "hidden" && !getHidden){
        info.value = null;
    }

    switch (info.type){
        case "text":
        case "textarea":
        case "file":
        case "password":
        case "iframe":
            if (info.value && Lazarus.trim(info.value)){
                info.text = Lazarus.trim(info.value);
            }
            break;

        default:
    }

    return info;
}

/**
* clean HTML tags and entities from an html string
*/
Lazarus.cleanText = function(text){
    return text.replace(/<[^>]*>/g, ' ').replace(/&\w+;?/g, ' ').replace(/ +/g, ' ');
}

/**
* return a formInfo object filled with details about a form
*/
Lazarus.formInfo = function(form){

    var info = {};
    info.version = Lazarus.FORM_INFO_VERSION;
    info.formid = Lazarus.getFormId(form);
    info.action = Lazarus.getUrlPage(form.action || form.ownerDocument.URL);
    info.origURL = form.ownerDocument.URL;
    info.domain = Lazarus.getDomainFromElement(form);
    info.method = (form.method && form.method.toLowerCase()) == "post" ? "post" : "get";
    info.enctype = form.enctype ? form.enctype.toLowerCase() : '';
    info.fields = {};
    info.formtext = [];
    info.textLen = 0;
    for (var i=0; i<form.elements.length; i++){
        var ele = form.elements[i];
        var name = ele.getAttribute("name");
        if (name){
            switch (Lazarus.getElementType(ele)){
                case "text":
                case "textarea":
                case "file":
                case "radio":
                case "checkbox":
                case "select":
                case "password":
                case "hidden":
                    var fieldInfo = Lazarus.fieldInfo(ele);
                    info.fields[name] = info.fields[name] || [];
                    info.fields[name].push(fieldInfo);

                    if (fieldInfo.text){
                        info.formtext.push(fieldInfo.text);
                        info.textLen += fieldInfo.text.length;
                    }
                    break;

                default:
                    //ignore all other types
            }
        }
        //support for ajax textareas
        else if (form.isTextarea && Lazarus.getElementType(ele) == "textarea"){
            var fieldInfo = Lazarus.fieldInfo(ele);
            info.isTextarea = true;
            info.fields["textarea"] = [fieldInfo];
            if (fieldInfo.text){
                info.formtext.push(fieldInfo.text);
                info.textLen += fieldInfo.text.length;
            }
        }
        //support for ajax textareas
        else if (form.isIframe && Lazarus.getElementType(ele) == "iframe"){
            var fieldInfo = Lazarus.fieldInfo(ele);
            info.isIframe = true;
            info.fields["iframe"] = [fieldInfo];
            if (fieldInfo.text){
                info.formtext.push(fieldInfo.text);
                info.textLen += fieldInfo.text.length;
            }
        }
    }
    //we need to add any WYSIWYG iframes into the form as well
    var iframes = Lazarus.getEditableIframes(form);
    if (iframes.length > 0){
        info.fields[Lazarus.IFRAME_NAME] = [];
        info.isIframe = true;
        for (var i=0; i<iframes.length; i++){
            var name = Lazarus.IFRAME_NAME;
            var fieldInfo = Lazarus.fieldInfo(iframes[i]);

            info.fields[name] = info.fields[name] || [];
            info.fields[name].push(fieldInfo);

            if (fieldInfo.text){
                info.formtext.push(fieldInfo.text);
                info.textLen += fieldInfo.text.length;
            }
        }
    }

        info.formtext = Lazarus.trim(info.formtext.join("\n\n"));

    return info;
}


/**
* return an array of editable iframes found within the given node
*/
Lazarus.getEditableIframes = function(ele){
    var editableIframes = [];
    if (ele && ele.getElementsByTagName){
        var iframes = ele.getElementsByTagName('iframe');

        for (var i=0; i<iframes.length; i++){
            if (Lazarus.isEditableDoc(iframes[i].contentWindow.document)){
                editableIframes.push(iframes[i]);
            }
            //better get iframes within the iframes as well
            if (iframes[i].contentWindow.document.body){
                editableIframes = editableIframes.concat(Lazarus.getEditableIframes(iframes[i].contentWindow.document.body));
            }
        }
    }
    return editableIframes;
}

/**
* return TRUE if the given document is in edit mode
*/
Lazarus.isEditableDoc = function(doc){
    return (doc && (doc.designMode == "on" || (doc.body && doc.body.contentEditable === "true")));
}

/**
* return the base domain (wikipedia.org) given a full domain (en.wikipedia.org)
*/
Lazarus.getBaseDomain = function(domain){

    //if domain is an ip address return that
    var regexIp = /\d+\.\d+\.\d+\.\d+$/
    var m = domain.match(regexIp);
    if (m){return m[0]}

    //known top level domains (TLDs) including country specific ones

    //http://en.wikipedia.org/wiki/Country_code_top-level_domain
    //all domains *should* either end in a 2 letter tld (google.co.nz, google.com.au) or none (google.com) for american sites
    //that should be preceeded by the generic tld
    //and then the basedomain
    var regex = /[^\.]+\.[^\.]+(\.\w{2})?$/;
    var m = domain.match(regex);
    //if we cant figure it out then return the whole domain
    return m ? m[0] : domain;
}



/**
* restores a form to the given state
*/
Lazarus.restoreForm = function(form, formInfo){

    //attempt to restore the saved fields for this form
    var restorePassword = Lazarus.getExtPref("savePasswordFields");
    var restoreHidden = Lazarus.getExtPref("saveHiddenFields");

    //try and recover as many fields as possible for this form.
    var iRestored = 0;
    var iNamedElements = 0;
    var formFields = {};
    for (var i=0; i<form.elements.length; i++){
        var ele = form.elements[i];
        var name = ele.getAttribute("name");
        var eleType = Lazarus.getElementType(ele);
        var eleValue = Lazarus.getElementValue(ele);

        if (name){
            switch (eleType){
                case "text":
                case "textarea":
                case "file":
                case "radio":
                case "checkbox":
                case "select":
                case "password":
                case "hidden":
                    //try to restore this element
                    iNamedElements++;
                    //do we have an match for this element in our saved form
                    if (formInfo.fields[name]){
                        for (var j=0; j<formInfo.fields[name].length; j++){
                            var info = formInfo.fields[name][j];
                            if (!info.restored && info.type == eleType){
                                switch (eleType){
                                    case "text":
                                    case "textarea":
                                    case "file":
                                    case "select":
                                        Lazarus.setElementValue(ele, info.value);
                                        iRestored++;
                                        break;

                                    case "radio":
                                    case "checkbox":
                                        if (info.value && (eleValue.valueAttr == info.value.valueAttr)){
                                            Lazarus.setElementValue(ele, info.value.checked);
                                            iRestored++;
                                        }
                                        break;

                                    case "password":
                                        if (restorePassword){
                                            Lazarus.setElementValue(ele, info.value);
                                        }
                                        iRestored++;
                                        break;

                                    case "hidden":
                                        if (restoreHidden){
                                            Lazarus.setElementValue(ele, info.value);
                                        }
                                        iRestored++;
                                        break;

                                    default:
                                        //no need to restore
                                        iRestored++;
                                }
                            }
                        }
                    }
                default:
                    //ignore other types of elements
            }
        }
        else if (form.isTextarea && Lazarus.isTextarea(ele)){
            var info = formInfo.fields["textarea"][0];
            Lazarus.setElementValue(ele, info.value);
            iRestored++;
            iNamedElements++;
        }
        else if (form.isIframe && ele.tagName == "iframe"){
            var info = formInfo.fields["iframe"][0];
            Lazarus.setElementValue(ele, info.value);
            iRestored++;
            iNamedElements++;
        }
    }
    //try and restore any WYSIWYG editors as well
    var iframes = Lazarus.getEditableIframes(form);
    if (iframes && formInfo.fields[Lazarus.IFRAME_NAME]){
        for (var i=0; i<iframes.length; i++){
            var info = formInfo.fields[Lazarus.IFRAME_NAME][i];
            if (info){
                Lazarus.setElementValue(iframes[i], info.value);
            }
        }
    }


    //check for errors
    if (iRestored == 0){
        alert(Lazarus.getString("error.restore.none"));
        return false;
    }
    //tell them if we couldn't restore some fields
    else if (iRestored < iNamedElements){
        //only show the partial restore message if the form is not an old style form
        if (formInfo.version && formInfo.version >= 1){
            alert(Lazarus.getString("error.restore.partial"));
        }
        return (iRestored / iNamedElements);
    }
    else {
        return true;
    }
}

/**
* handle the onselectmenuitem event
*/
Lazarus.onRestoreFormMenuItem = function(menuitem){

    if (!Lazarus.canDecrypt()){
        Lazarus.debug("Unable to restore form, password required");
        Lazarus.showNotificationBox("password-required");
        return;
    }

    var id = parseInt(menuitem.getAttribute("lazarus-forms-id"));

    Lazarus.debug("Attempting to restore form "+ id);
    var form = Lazarus.findFormFromElement(gContextMenu.target, "form");
    if (form){
        var row = Lazarus.db.getRow("SELECT * FROM forms WHERE id = ?1", id);
        if (row){
            var formInfo;
            try {
                formInfo = Lazarus.JSON.decode(Lazarus.decrypt(row["forminfo"]));
            }
            catch(e){
                Lazarus.error(e);
            }

            if (formInfo){
                //if we fully restore a form, then show the "donate" popup
                if (Lazarus.restoreForm(form, formInfo) === true){
                    Lazarus.incPref("extensions.lazarus.restoreFormCount");
                    if ((formInfo.textLen > Lazarus.MIN_TEXT_NEEDED_TO_SHOW_NOTIFICATION) && Lazarus.getPref("extensions.lazarus.showDonateNotification") && Lazarus.getPref("extensions.lazarus.restoreFormCount", 0) > 3){
                        var msgId = Math.floor(Math.random() *  4);
                        Lazarus.showNotificationBox("form-restored", Lazarus.getFormRestoredNotificationText(formInfo.textLen, msgId), "msgid-"+ msgId);
                    }
                }
            }
            else {
                alert(Lazarus.getString("error.form.db.corrupt"));
            }
        }
        else {
            alert(Lazarus.getString("error.form.not.found"));
        }
    }
    else {
        alert(Lazarus.getString("error.form.object.not.found"));
    }
}

/**
* return TRUE if form is a form we should save
*/
Lazarus.shouldSaveForm = function(form){
    //only save forms on file/http/https sites
    var doc = form.ownerDocument;
    if (doc && doc instanceof HTMLDocument && doc.URL && /^(file|http|https):/.test(doc.URL) && !Lazarus.isPageDisabled(doc.URL) && !Lazarus.isDisabledByPrivateBrowsing()){
        return (Lazarus.isSearchForm(form)) ? Lazarus.getPref("extensions.lazarus.saveSearchForms") : true;
    }
    else {
        return false;
    }
}

/**
* return TRUE if we should be saving this info
*/
Lazarus.shouldSaveEditorInfo = function(info){
        if (Lazarus.isPageDisabled(info.url)){
            return false;
        }
        else if (Lazarus.isDisabledByPrivateBrowsing()){
            return false;
        }
        else {
            return true;
        }
}



Lazarus.disabledDomains = null;

Lazarus.isPageDisabled = function(url){
    if (!url && content.document && content.document.URL){
        url = content.document.URL;
    }
    if (url){
        var domainId = Lazarus.urlToDomainId(url);
        if (domainId){
            var domains = Lazarus.getDisabledDomains();
            return (typeof domains[domainId] !== "undefined") ? domains[domainId] : false;
        }
    }
    return false;
}

/**
* return TRUE if lazarus can save forms from this site
* return FALSE for non-valid sites (eg about:config, chrome://... etc..)
*/
Lazarus.isValidSite = function(url){
    //default to the current documents url
    if (!url && content.document && content.document.URL){
        url = content.document.URL;
    }
    return (url && Lazarus.urlToDomainId(url)) ? true : false;
}

Lazarus.getDisabledDomains = function(){
    var domainlist = Lazarus.getPref('extensions.lazarus.domainBlacklist', '');

    if (!Lazarus.disabledDomains || Lazarus.disabledDomains['__origList__'] != domainlist){
        //rebuild the list
        Lazarus.disabledDomains = {
            '__origList__': domainlist
        }
        var domains = domainlist.split(/\s*,\s*/g);
        for (var i=0; i<domains.length; i++){
            Lazarus.disabledDomains[domains[i]] = true;
        }
    }
    return Lazarus.disabledDomains;
}

Lazarus.saveDisabledDomains = function(domainsTable){
    //convert the table back into an array and save it.
    var domains = [];
    for(var domain in domainsTable){
        if (domainsTable[domain] && /^\w+:/.test(domain)){
            domains.push(domain);
        }
    }

    return Lazarus.setPref('extensions.lazarus.domainBlacklist', domains.join(','));
}


Lazarus.enableForCurrentDomain = function(){
    //fetch the current domain, and disable Lazarus
    if (content.document && content.document.URL){
        var domainId = Lazarus.urlToDomainId(content.document.URL);
        //and add to disabled domains list.

        var domains = Lazarus.getDisabledDomains();
        if (!domains[domainId]){
            domains[domainId] = true;
            Lazarus.saveDisabledDomains(domains);
            Lazarus.debug('Domain disabled ['+ domainId +']');
        }
        else {
            //should already be disabled!
            Lazarus.warning('Domain is already disabled ['+ domainId +']');
        }

        //and refresh the statusbar icon
        Lazarus.refreshIcon();
    }
    else {
        alert(Lazarus.getString("error.no.document"));
    }
}


/**
* enables or disabled on the current website
*/
Lazarus.toggleCurrentDomain = function(enable){
    //fetch the current domain, and disable Lazarus
    if (content.document && content.document.URL){
        var domains = Lazarus.getDisabledDomains();
        var domainId = Lazarus.urlToDomainId(content.document.URL);

        if (domainId){
            //add/remove from disabled domains list
            domains[domainId] = enable ? false : true;
            Lazarus.saveDisabledDomains(domains);
            Lazarus.debug('Domain ['+ domainId +'] enabled = '+ enable);
            //and refresh the statusbar icon
            Lazarus.refreshIcon();
        }
        else {
            Lazarus.error("Failed to extract domainId from URL ["+ content.document.URL +"]");
        }
    }
    else {
        alert(Lazarus.getString("error.no.document"));
    }
}


Lazarus.onStatusbarMenuShowing = function(popupmenu){
    var validSite = Lazarus.isValidSite();
    var siteDisabled = Lazarus.isPageDisabled();
    var isPrivate = Lazarus.isDisabledByPrivateBrowsing();

    Lazarus.$('lazarus-statusbar-menuitem-toggledomain-separator').hidden = !(validSite && !isPrivate);
    Lazarus.$('lazarus-statusbar-menuitem-enablefordomain').hidden = !(validSite && siteDisabled && !isPrivate);
    Lazarus.$('lazarus-statusbar-menuitem-disablefordomain').hidden = !(validSite && !siteDisabled && !isPrivate);
    Lazarus.$('lazarus-statusbar-menuitem-logout').hidden = !(Lazarus.Crypto.isPasswordEntered);
}

/**
* return a website identifier
* http://google.com is different from https://google.com
*/
Lazarus.urlToDomainId = function(url){
    var uri = Lazarus.urlToURI(url);
    return (uri && uri.scheme && uri.host && (/^(http|https|file)$/.test(uri.scheme))) ? (uri.scheme +":"+ ((uri.port > -1 && uri.port != 80) ? uri.port : '') +'//'+ Lazarus.getBaseDomain(uri.host) +'/') : '';
}


/**
* return TRUE if form appears to be a search form
*/
Lazarus.isSearchForm = function(form){
    //search forms are forms that have exactly one textbox, and may contain a number of other non-text fields
    var MAX_TEXT_FIELDS = 1;
    var MAX_NON_TEXT_FIELDS = 5;

    var iTextFields = 0;
    var iNonTextFields = 0;

    for (var i=0; i<form.elements.length; i++){
        var ele = form.elements[i];
        switch(Lazarus.getElementType(ele)){
            case "text":
                iTextFields++;
                break;

            case "radio":
            case "checkbox":
            case "select":
                iNonTextFields++;
                break;

            case "file":
            case "password":
            case "textarea":
                return false;

            case "hidden":
            case "submit":
            case "reset":
            case "button":
            case "image":
            default:
                //ignore all other types
        }
    }
    //NOTE: we MUST have a single text field
    return  (iTextFields == MAX_TEXT_FIELDS && iNonTextFields <= MAX_NON_TEXT_FIELDS);
}


/**
* check a submit event, and saves form details if the event is from a valid form
*/
Lazarus.onFormSubmit = function(evt){
    var form = Lazarus.findFormFromElement(evt.target);
    //is the form on an html document?
    if (form && form.ownerDocument instanceof HTMLDocument){
        Lazarus.stopAutoSaveTimer();
        Lazarus.saveForm(form, Lazarus.FORM_TYPE_NORMAL);
    }
}

/**
* return "post" of "get" depending on the given forms method
*/
Lazarus.getFormMethod = function(form){
    var method = form.getAttribute("method");
    return (method && method.toLowerCase() == "post") ? "post" : "get";
}

/**
* autosave a form if we change anything about it.
*/
Lazarus.onFormChange = function(evt){
    var form = Lazarus.findFormFromElement(evt.target);

    if (form && form.ownerDocument instanceof HTMLDocument){
        //I think we should chuck a timer in here, because we might end up saving a lot.
        Lazarus.restartAutoSaveTimer(form);
    }
}

/**
* check a reset event, and saves form details if the event is from a valid form
*/
Lazarus.onFormReset = function(evt){
    var form = Lazarus.findFormFromElement(evt.target);
    //is the form on an html document?
    if (form && form.ownerDocument instanceof HTMLDocument){
        Lazarus.stopAutoSaveTimer();
        Lazarus.saveForm(form, Lazarus.FORM_TYPE_AUTOSAVE);
    }
}

/**
* create a searchable index of hashed words
*/
Lazarus.indexFormText = function(id, text, url){
        //and update the full text index,
        if (!Lazarus.getPref('extensions.lazarus.disableSearch')){
                //we're going to add domain info into this as well so a user can search for domain fragments too
                var hashedText = Lazarus.hashText(text);

                //extract the domain from the url
                var domain = Lazarus.urlToURI(url).host;

                hashedText += ' '+ Lazarus.hashText(domain.replace(/\./g, ' '));

                Lazarus.db.exe("DELETE FROM forms_fulltext WHERE docid = ?1", id);
                Lazarus.db.exe("INSERT INTO forms_fulltext (docid, hashed_text) VALUES (?1, ?2)", id, hashedText);
        }
}

/**
* save all the named elements in a form to the permanent store
*/
Lazarus.saveForm = function(form, formType, templateName, autofill){

    autofill = autofill ? 1 : 0;

    if (Lazarus.shouldSaveForm(form)){

        templateName = templateName || '';

        var info = Lazarus.formInfo(form);

        //dont save empty forms?
        //No. what about forms with lots of radio buttons (eg multichoice surveys)
        var infoJSON = Lazarus.JSON.encode(info)
        var encryptedInfo = Lazarus.encrypt(infoJSON);
        var encryptedText = Lazarus.encrypt(Lazarus.getMenuItemText(info.formtext));
        var encryptedFormURL = Lazarus.encrypt(Lazarus.getFormURL(form));

        var infoHash = Lazarus.generateHash(info.fields);

        //each form type needs to be saved differently
        switch(formType){
            case Lazarus.FORM_TYPE_AUTOSAVE:
            case Lazarus.FORM_TYPE_STALE_AUTOSAVE:

                var savedForm = Lazarus.db.getRow("SELECT id, savetype FROM forms WHERE formid = ?1 AND forminfohash = ?2 AND savetype IN ("+ Lazarus.FORM_TYPE_AUTOSAVE +","+ Lazarus.FORM_TYPE_STALE_AUTOSAVE +") LIMIT 1", info.formid, infoHash);

                //add or update the current autosave
                if (!savedForm){
                    var lastAutoSaveId = Lazarus.db.getInt("SELECT id FROM forms WHERE formid = ?1 AND savetype = "+ Lazarus.FORM_TYPE_AUTOSAVE +" ORDER BY created DESC LIMIT 1", info.formid);
                    var lastAutoSave = (lastAutoSaveId && Lazarus.lastAutoSaveForm && Lazarus.lastAutoSaveForm["formid"] == info.formid) ? Lazarus.lastAutoSaveForm : null;
                    var newId = 0;

                    if (lastAutoSave && Lazarus.shouldCreateNewAutosave(info, lastAutoSave)){
                        //if the saved form is smaller than the last saved form by a substantial amount,
                        //create a new restore point.
                        Lazarus.debug("Creating additional autosave point "+ info.formid);
                        Lazarus.db.exe("INSERT INTO forms (formid, created, forminfo, formtext, forminfohash, formurl, text_length, savetype) \
                            VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, "+ Lazarus.FORM_TYPE_AUTOSAVE +")", info.formid, Lazarus.timestamp(), encryptedInfo, encryptedText, infoHash, encryptedFormURL, info.textLen);
                                                newId = Lazarus.db.getInt("SELECT MAX(id) FROM forms");
                    }
                    else if (lastAutoSave){
                        Lazarus.debug("Updating autosave form "+ info.formid);
                        Lazarus.db.exe("UPDATE forms SET created = ?1, forminfo = ?2, formtext = ?3, forminfohash = ?4, formurl = ?5, text_length = ?6 \
                            WHERE id = ?7", Lazarus.timestamp(), encryptedInfo, encryptedText, infoHash, encryptedFormURL, info.textLen, lastAutoSaveId);
                                                newId = lastAutoSaveId;
                    }
                    else {
                        Lazarus.debug("Creating new autosave form "+ info.formid);
                        Lazarus.db.exe("INSERT INTO forms (formid, created, forminfo, formtext, forminfohash, formurl, text_length, savetype) \
                            VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, "+ Lazarus.FORM_TYPE_AUTOSAVE +")", info.formid, Lazarus.timestamp(), encryptedInfo, encryptedText, infoHash, encryptedFormURL, info.textLen);
                                                newId = Lazarus.db.getInt("SELECT MAX(id) FROM forms");
                    }

                                        //update the full text search as well
                                        Lazarus.indexFormText(newId, info.formtext, info.origURL);

                    //and save this forminfo as the last autosave point
                    Lazarus.lastAutoSaveForm = info;
                }
                else {
                    Lazarus.debug("No need to autosave form, form already exists: "+ info.formid);
                }

                break;

            case Lazarus.FORM_TYPE_NORMAL:
                //delete all autosaves
                Lazarus.removeForms(Lazarus.db.getColumn("SELECT id FROM forms WHERE formid = ?1 AND savetype IN ("+ Lazarus.FORM_TYPE_AUTOSAVE +","+ Lazarus.FORM_TYPE_STALE_AUTOSAVE +")", info.formid));

                //if this form already exists, delete it
                Lazarus.removeForms(Lazarus.db.getColumn("SELECT id FROM forms WHERE formid = ?1 AND forminfohash = ?2 AND savetype = "+ Lazarus.FORM_TYPE_NORMAL, info.formid, infoHash));

                //and save this form
                Lazarus.db.exe("INSERT INTO forms (formid, created, forminfo, formtext, forminfohash, formname, formurl, text_length, savetype, autofill) \
                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, 0)",
                    info.formid, Lazarus.timestamp(), encryptedInfo, encryptedText, infoHash, templateName, encryptedFormURL, info.textLen, formType);
                Lazarus.debug("form saved ["+ info.formid +"]");

                                //update the full text search as well
                                var newId = Lazarus.db.getInt("SELECT MAX(id) FROM forms");
                                Lazarus.indexFormText(newId, info.formtext, info.origURL);
                break;

            case Lazarus.FORM_TYPE_TEMPLATE:
                //if another template with the same name exists, delete it
                                Lazarus.removeForms(Lazarus.db.getColumn("SELECT id FROM forms WHERE formname = ?1 AND savetype = "+ Lazarus.FORM_TYPE_TEMPLATE, templateName));

                //likewise we are not allowed to have more then one autofill for the same form.
                if (autofill){
                    Lazarus.db.exe("UPDATE forms SET autofill = 0 WHERE formid = ?1", info.formid);
                }

                //and save this form
                Lazarus.db.exe("INSERT INTO forms (formid, created, forminfo, formtext, forminfohash, formname, formurl, text_length, savetype, autofill) \
                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10)",
                    info.formid, Lazarus.timestamp(), encryptedInfo, encryptedText, infoHash, templateName, encryptedFormURL, info.textLen, formType, autofill);

                                var newId = Lazarus.db.getInt("SELECT MAX(id) FROM forms");
                                Lazarus.indexFormText(newId, info.formtext, info.origURL);
                                Lazarus.debug("template saved ["+ info.formid +"]");
                break;

            default:
                Lazarus.error(Error("Unknown form type ["+ row["formtype"] +"]"));

        }
        Lazarus.startCleanupTimer();
    }
    else {
        Lazarus.debug("Form not saved: invalid form");
    }
}


/**
* remove forms from the database
*/
Lazarus.removeForms = function(ids){
    Lazarus.debug("removing forms", ids);
    if (!ids || (Lazarus.isArray(ids) && ids.length === 0)){
        return;
    }

    if (!Lazarus.isArray(ids)){
        ids = [ids];
    }
    //make sure the ids are safe.
    for(var i=0; i<ids.length; i++){
        ids[i] = parseInt(ids[i]);
    }
    Lazarus.db.exe("DELETE FROM forms WHERE id IN ("+ ids.join(",") +")");
    Lazarus.db.exe("DELETE FROM forms_fulltext WHERE docid IN ("+ ids.join(",") +")");

    Lazarus.debug(ids.length +" forms removed");
}


/**
* return the URL of the page this form is currently on, but leave any query info
*/
Lazarus.getFormURL = function(form){
    //we'll strip any anchor tags from the URL
    return form.ownerDocument.URL.replace(/#.*/, '');
}

/**
* return an integer representing how different one form is from another
* 0 being identical
* 100 being 100 characters/values are different
*/
Lazarus.shouldCreateNewAutosave  = function(newForm, oldForm){

    //number of characters to ignore when calculating if the form has changed substantially
    var TEXT_DIFFERENCE = 32; //

    if (oldForm.formtext.length > (TEXT_DIFFERENCE * 2)){
        var str = oldForm.formtext.substr(0, oldForm.formtext.length - TEXT_DIFFERENCE);
        //if new form is a continuation of old form (ie the first (X - TEXT_DIFFERENCE) characters are still the same),
        //then overwrite current autosave,
        //otherwise create a new autosave.
        return (newForm.formtext.indexOf(str) == -1);
    }
    //form contains little text, overwrite the current autosave
    else {
        return false;
    }
}

/**
* automatically save the form the user is working on.
*/
Lazarus.autoSaveForm = function(){
    //does the form still exist?
    if (Lazarus.currAutoSaveForm && !Lazarus.isContextMenuShowing){
        Lazarus.saveForm(Lazarus.currAutoSaveForm, Lazarus.FORM_TYPE_AUTOSAVE);
    }
}

/**
* start the cleanup timer
*/
Lazarus.startCleanupTimer = function(){

    Lazarus.stopCleanupTimer();

    if (Lazarus.getExpiryTime()){
        Lazarus.cleanupSavedFormsTimer = setInterval(Lazarus.cleanupSavedForms, 1000 * 60);
    }
}

/**
* stop the cleanup timer
*/
Lazarus.stopCleanupTimer = function(){
    if (Lazarus.cleanupSavedFormsTimer){
        clearInterval(Lazarus.cleanupSavedFormsTimer);
    }
}

/**
* remove old forms from the database
*/
Lazarus.cleanupSavedForms = function(){

    //dont cleanup any forms if a user might be trying to retore them
    if (Lazarus.isContextMenuShowing){return}

    var expires = Lazarus.getExpiryTime();

    if (expires > 0){
        //add a couple of minutes to the expiry time, so we don't accidentally
        //remove a form whilst we are current restoring it.
        var cutoffTime = Lazarus.timestamp() - (expires + 120);
        var ids = Lazarus.db.getColumn("SELECT id FROM forms WHERE created < ?1 AND savetype != "+ Lazarus.FORM_TYPE_TEMPLATE, cutoffTime);
                Lazarus.removeForms(ids);

                var ids = Lazarus.db.getColumn("SELECT id FROM textdata WHERE created < ?1", cutoffTime);
        if (ids.length > 0){
            Lazarus.db.exe("DELETE FROM textdata WHERE id IN ("+ ids.join(",") +")");
            Lazarus.db.exe("DELETE FROM textdata_fulltext WHERE docid IN ("+ ids.join(",") +")");
        }
    }
    else {
        Lazarus.stopCleanupTimer();
    }
}

/**
* return an identifier for a url
*/
Lazarus.getUrlPage = function(url){
    var uri = Lazarus.urlToURI(url);
    if (uri){
        return uri.scheme +"://"+ uri.hostPort + uri.path.replace(/[\?#].*$/, '');
    }
    //for testing on file systems
    else if ((Lazarus.getExtPref("debugMode") >= 3) && form.action.match(/^file:\/\//i)){
        return "file://just/testing";
    }
    else {
        return null;
    }
}

/**
* return the user editable fields within a form.
*/
Lazarus.getEditableFields = function(form){
    var fields = [];
    var saveHidden = Lazarus.getExtPref("saveHiddenFields");
    var savePassword = Lazarus.getExtPref("savePasswordFields");

    for (var i=0; i<form.elements.length; i++){
        var ele = form.elements[i];
        //ignore fields with no name (they dont get submitted to the server)
        if (ele.getAttribute("name")){
            switch(Lazarus.getElementType(ele)){
                case "text":
                case "textarea":
                case "file":
                case "radio":
                case "checkbox":
                case "select":
                    fields.push(ele);
                    break;

                case "password":
                    if (savePassword){
                        fields.push(ele);
                    }
                    break;

                case "hidden":
                    if (saveHidden){
                        fields.push(ele);
                    }
                    break;

                //ignore buttons
                case "submit":
                case "reset":
                case "button":
                case "image":
                //and unknown elements
                default:
                    //unknown element type
                    break;
            }
        }
    }
    return fields;
}


/**
* return TRUE if element is a textarea
*/
Lazarus.isTextarea = function(ele){
    return (ele && ele.nodeName && ele.nodeName.toLowerCase() == "textarea");
}


/**
* return TRUE if element is an iframe
*/
Lazarus.isIframe = function(ele){
    return (ele && ele.nodeName && ele.nodeName.toLowerCase() == "iframe");
}

/**
* generate a formid for this form
*/
Lazarus.getFormId = function(form){

    //if this form is from the Lazarus Form Recovery page, then use the id specified in the form
    if (Lazarus.isDocRecoveryForm(form.ownerDocument)){
        return form.getAttribute("lazarus-form-id");
    }


    //forms with no "action" attribute default to sending data to the current page
    var action = form.action || form.ownerDocument.URL;
    var uri = Lazarus.urlToURI(action);

    var formId = (uri && uri.host) ? Lazarus.getBaseDomain(uri.host) : '';
    //debugging (on local file system)
    if (!formId && (Lazarus.getExtPref("debugMode") >= 3) && action.match(/^file:\/\//i)){
        formId = "file://just/testing";
    }

    //and point to the same place
    if (formId){

        //support for ajax textareas
        if (form.isTextarea){
            formId += "<textarea>";
        }
        //and iframes not contained within forms
        else if (form.isIframe){
            formId += "<iframe>";
        }
        //#7: Not saving trac "comment" forms
        //sometimes forms will add additional hidden fields

        //if the form has a name, formId , or class we'll add that as well.
        //no not class. If a form has an error the classname might be changed to highlight
        //the error to the user

        //we will generate an formId from the editable fields name property
        //only fields with a name property are submitted.
        else if (form.name || form.id){
            formId += form.name ? ("@"+ form.name) : "";
            //KLUDGE: gmails email form changes the id of the form every time you start a new email
            formId += form.id && (form.ownerDocument.domain.indexOf("google") == -1) ? ("#"+ form.id) : "";
        }
        //fall back to using an identifier generated form the elements within the page
        else {
            var names = [];
            for (var i=0; i<form.elements.length; i++){
                var ele = form.elements[i];
                var name = ele.getAttribute("name");
                if (name){
                    switch(Lazarus.getElementType(ele)){
                        case "text":
                        case "textarea":
                        case "file":
                        case "radio":
                        case "checkbox":
                        case "select":
                            names.push(name.toLowerCase());
                    }
                }
            }

            //sort and remove duplicate names
            names.sort();
            names = Lazarus.arrayUnique(names);

            formId += "["+ names.join(",") +"]";
        }

        //#48: including the domain within the formId constitutes a privacy risk.
        formId = Lazarus.md5(formId);
        return formId;
    }
    else {
        Lazarus.warning("Lazarus: Unable to convert url to uri ["+ action +"]");
        return '';
    }
}

/**
* return a new array containing members of the given array with no duplicates
*/
Lazarus.arrayUnique = function(arr){
    var newArr = [];
    for (var i=0; i<arr.length; i++){
        if (!Lazarus.inArray(arr[i], newArr)){
            newArr.push(arr[i]);
        }
    }
    return newArr;
}

/**
* return a user friendly string stating the elapsed time in seconds, minutes, hours or days
*/
Lazarus.getTimeString = function(sec){

    if (sec < 1){sec = 1}

    var units = {
        "day" : 60 * 60 * 24,
        "hour" : 60 * 60,
        "minute": 60,
        "second": 1
    }

    for(var unit in units){
        if (sec >= units[unit]){
            var numUnits = Math.floor(sec / units[unit]);
            if (numUnits == 1){
                return Lazarus.getString("elapsed."+ unit);
            }
            else {
                return Lazarus.getString("elapsed."+ unit +"s", numUnits);
            }
        }
    }
    //should never get here
    return Lazarus.getString("elapsed.second");
}

/**
* returns an elements value
*/
Lazarus.getElementValue = function(ele){
    switch(Lazarus.getElementType(ele)){
        //text fields
        case "text":
        case "password":
        case "textarea":
        case "file":
        case "hidden":
            return ele.value;

        case "radio":
        case "checkbox":
            return {
                "valueAttr": ele.value,
                "checked": ele.checked
            }

        //buttons
        case "submit":
        case "reset":
        case "button":
        case "image":
            return ele.value;

        case "select":
            //select boxes have the option to allow multiple selections
            var selected = [];
            if (ele.options){
                for (var i=0; i<ele.options.length; i++){
                    if (ele.options[i].selected){
                        selected.push(ele.options[i].value);
                    }
                }
            }
            return selected;

        case "iframe":
            var doc = ele.contentWindow.document;
            return (doc && doc.body && doc.body.innerHTML) ? doc.body.innerHTML : '';

        default:
            //unknown element type
            return null;
    }
}

/**
* returns an elements value
*/
Lazarus.setElementValue = function(ele, value){
    switch(Lazarus.getElementType(ele)){
        //text fields
        case "text":
        case "password":
        case "textarea":
        case "file":
        case "hidden":
            ele.value = value;
            break;

        case "radio":
        case "checkbox":
            ele.checked = value;
            break;

        //buttons
        case "submit":
        case "reset":
        case "button":
        case "image":
            ele.value = value;
            break;

        case "select":
            //select boxes have the option to allow multiple selections
            var selected = [];
            if (ele.options){
                //bugfix: RT: 101284
                //inArray is taking too long for large (10,000+) select boxes, so we'll convert the values array into
                //a hash table instead
                //hmmm, the problem is not actually in the inArray function
                //but rather the line
                //ele.options[i].selected = table[ele.options[i].value] ? true : false;
                // it appears that a lot goes on behind the scenes when a selectbox option
                //is set, even if the value doesn't change.
                var table = Lazarus.arrayToHashTable(value);
                for (var i=0; i<ele.options.length; i++){
                    var selectOption = table[ele.options[i].value] ? true : false;
                    if (ele.options[i].selected != selectOption){
                        ele.options[i].selected = selectOption;
                    }
                }
            }
            break;

        case "iframe":
            var doc = ele.contentWindow.document;
            if (doc && doc.body){
                doc.body.innerHTML = value;
            }
            break;

        default:
            //unknown element type
            break;
    }
}


/**
* return a string explaining the type of a form element
* differentiates between different input types.
*/
Lazarus.getElementType = function(ele){
    if (ele.nodeName.toLowerCase() == "input"){
        return ele.type.toLowerCase();
    }
    else {
        return ele.nodeName.toLowerCase();
    }
}

/**
* return a fake form object
*/
Lazarus.createFakeForm = function(ele, type){
    return {
        ownerDocument: ele.ownerDocument,
        elements: [ele],
        action: Lazarus.urlToDomainId(ele.ownerDocument.URL) || '',
        isTextarea: (type == "textarea"),
        isIframe: (type == "iframe"),
        isFakeForm: true
    };
}

Lazarus.getParentIframe = function(ele){
    var win = ele.ownerDocument.defaultView.frameElement;
    var win = doc && doc.defaultView;
    return win.frameElement;
}


/**
* return the first content editable iframe or textarea from a given element
*/
Lazarus.findEditorFromElement = function(ele){

    while(ele){
        if (Lazarus.isTextarea(ele)){
            return ele;
        }
        else if (Lazarus.isEditableDoc(ele.ownerDocument) && ele.ownerDocument.defaultView.frameElement){
            return ele.ownerDocument.defaultView.frameElement;
        }
        else {
            ele = ele.parentNode;
        }
    }
}

/**
* finds a parent form from this element
*/
Lazarus.findFormFromElement = function(ele){

    var iframe = false;

    while(ele){
        if (ele.nodeName && ele.nodeName.toLowerCase() == "form"){
            return ele;
        }
        else if (ele.form && ele.form.nodeName.toLowerCase() == "form"){
            return ele.form;
        }
        //add support for AJAX textareas that are not contained within a form.
        else if (Lazarus.isTextarea(ele)){
            //we're going to build a fake form here, that contains the , so the rest of the code can handle
            return Lazarus.createFakeForm(ele, "textarea");
        }
        else if (Lazarus.isEditableDoc(ele.ownerDocument)){
            iframe = ele.ownerDocument.defaultView.frameElement;
            //move to parent iframe
            //Hmmm. Problem exists when the editable iframe is contained within another iframe (eg FCKEditor)
            //we'll need to iterate up through all the frames. But we also need to check if this frame contains the form element
            ele = iframe;
        }
        else if (ele.parentNode && ele.parentNode.tagName){
            ele = ele.parentNode;
        }
        //an iframe has been detected, but no form was found in this iframe
        //so move up to the containing frame (if any)
        else if (iframe){
            ele = ele.ownerDocument.defaultView.frameElement;
        }
        else {
            return null;
        }
    }

    if (iframe){
        //we have an editable iframe that is NOT contained within a form!
        //probably some type of AJAX form
        //we'll need to build a fake form and the iframe in there
        return Lazarus.createFakeForm(iframe, "iframe");
    }

    return null;
}
/**
* finds the first node of type nodeName from ele up the dom tree
*/
Lazarus.findParent = function(ele, nodeName){
    nodeName = nodeName.toLowerCase();
    while(ele){
        if (ele.nodeName && ele.nodeName.toLowerCase() == nodeName){
            return ele;
        }
        else {
            ele = ele.parentNode;
        }
    }
    return null;
}

/**
*
*/
Lazarus.onStatusbarImageClick = function(evt){

    var state = Lazarus.getState()

    if (state == Lazarus.STATE_DISABLED){
        evt.preventDefault();
        Lazarus.openGenerateKeysDialog();
        if (Lazarus.reloadKeys()){
            Lazarus.enable();
        }
        return false;
    }

    //only on left click
    if (evt.which == 1){
        switch (state){
            case Lazarus.STATE_ENABLED:
                Lazarus.openStatusbarMenu(evt);
                return;

            case Lazarus.STATE_PASSWORD_REQUIRED:
                Lazarus.showEnterPasswordDialog();
                return

            case Lazarus.STATE_PRIVATE_BROWSING:
                alert(Lazarus.getString('private.browsing.mode'));
                return;

            case Lazarus.STATE_GENERATING_KEYS:
                return;

            case Lazarus.STATE_DISABLED_FOR_DOMAIN:
                alert(Lazarus.getString('status.disabledfordomain'))
                return;

            case Lazarus.STATE_UNINITALIZED:
            default:
                Lazarus.error("Not initalized");
                return
        }
    }
}


/**
* show the statusbar menu
*/
Lazarus.openStatusbarMenu = function(evt){
    Lazarus.$('lazarus-statusbar-menupopup').openPopup(Lazarus.$('lazarus-statusbarpanel'), 'before_end', 0, 0, true);
}

/**
* open the options dialog
*/
Lazarus.openOptionsDialog = function(optionsPane){
    optionsPane = optionsPane || null;

        var features = "chrome,titlebar,toolbar,centerscreen,modal";
        features += Lazarus.getPref("browser.preferences.animateFadeIn", false) ? "" : ",resizable";

    window.open("chrome://lazarus/content/options.xul", "LazarusOptions", features, optionsPane);
}

/**
* open the about dialog
*/
Lazarus.openAboutDialog = function(){
    window.open("chrome://lazarus/content/about.xul", "LazarusAbout", "chrome,titlebar,toolbar,centerscreen,modal,resizable");
}

/**
* open the about dialog
*/
Lazarus.openLazarusWebsite = function(page){
    page = page || '';
    Lazarus.openURL(Lazarus.website + page, true, true);
}

/**
* open a URL in the current browser
*/
Lazarus.openURL = function(url, newTab, selectTab){
    var browser = document.getElementById('content');

    if (newTab){
        var tab = browser.addTab(url);
        if (tab && selectTab){
            browser.selectedTab = tab;
        }
    }
    else {
        content.location = url;
    }
}


/**
* returns a localized string
*/
Lazarus.getString = function(strId){
    try {
        var strbundle = Lazarus.$("lazarus-strings");

        if (arguments.length == 1){
            return strbundle.getString(strId);
        }
        else {
            var replacements = [];
            //NOTE: first argument is the strId
            for (var i=1; i<arguments.length; i++){
                replacements.push(arguments[i])
            }
            return strbundle.getFormattedString(strId, replacements);
        }
    }
    catch(e){
        Lazarus.error(e, "failed to getString ["+ strId +"]");
        return '';
    }
}


Lazarus.checkDatabase = function(db){
    //build the database tables
    try {
        //forms
        db.exe('CREATE TABLE IF NOT EXISTS forms (\
            id INTEGER PRIMARY KEY, formid TEXT, \
            created INT, \
            formname TEXT, \
            forminfo TEXT, \
            formtext TEXT, \
            savetype INT, \
            forminfohash TEXT, \
            formurl TEXT, \
            text_length INT, \
            autofill INT);');
        db.exe('CREATE INDEX IF NOT EXISTS index_forms_created ON forms (created  DESC)');
        db.exe('CREATE INDEX IF NOT EXISTS index_forms_formid ON forms (formid  ASC)');

        //settings
        db.exe('CREATE TABLE IF NOT EXISTS settings (name TEXT PRIMARY KEY, value TEXT)');

        //texdata
        db.exe('CREATE TABLE IF NOT EXISTS textdata (\
            id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, \
            text_encrypted TEXT, \
            text_hash TEXT, \
            text_length INT, \
            summary_encrypted TEXT, \
            created INTEGER DEFAULT \'0\' NOT NULL, \
            domain_hash TEXT, \
            url_encrypted TEXT, \
            savetype INTEGER \
            )');

        Lazarus.debug("DB: Creating indexes");

        db.exe('CREATE INDEX IF NOT EXISTS index_textdata_domain ON textdata (domain_hash ASC)');
        db.exe('CREATE INDEX IF NOT EXISTS index_textdata_created ON textdata (created DESC)');

        Lazarus.debug("DB: Creating Full Text indexes");

        //textdata full text index
        if (!db.tableExists('textdata_fulltext')){
            db.exe('CREATE VIRTUAL TABLE textdata_fulltext USING fts3(hashed_text)');
        }

        //forms: full text index
        if (!db.tableExists('forms_fulltext')){
            db.exe('CREATE VIRTUAL TABLE forms_fulltext USING fts3(hashed_text)');
        }

        Lazarus.debug("DB: Testing read/write");

        //test read and write
        var now = (new Date()).getTime();
        db.exe("DELETE FROM settings WHERE name = 'last-accessed'");
        db.exe("INSERT INTO settings (name, value) VALUES ('last-accessed', ?1)", now);
        var lastAccessed = db.getInt("SELECT value FROM settings WHERE name = 'last-accessed'");
        var success = (lastAccessed === now);
        Lazarus.debug("DB: read/write success? "+ success);
        return success;
    }
    catch(e){
        Lazarus.error(e);
        return false;
    }
}

/**
* initalizes the database
*/
Lazarus.initDB = function(){
    //create / connect to the database
    //we might have already connected in an update script.
    if (!Lazarus.Global.db){

        if (Lazarus.getPref("extensions.lazarus.deleteDatabase", false)){
            Lazarus.killPref("extensions.lazarus.deleteDatabase", false);
            Lazarus.killDB();
        }

        if (Lazarus.getPref("extensions.lazarus.restoreDatabase", false)){
            Lazarus.killPref("extensions.lazarus.restoreDatabase");
            if (Lazarus.file.exists("%profile%/lazarus-backup.sqlite")){
              Lazarus.file.move("%profile%/lazarus-backup.sqlite", "%profile%/lazarus.sqlite", true);
            }
            else {
              Lazarus.error("Unable to restore database: backup not found");
            }
        }

        //if a backup exists, and the original database is missing, then try and use the backup database
        if (Lazarus.file.exists("%profile%/lazarus-backup.sqlite") && !Lazarus.file.exists("%profile%/lazarus.sqlite")){
          Lazarus.file.move("%profile%/lazarus-backup.sqlite", "%profile%/lazarus.sqlite");
        }
        else if (Lazarus.getPref("extensions.lazarus.restoreFromBackup", false) && Lazarus.file.exists("%profile%/lazarus-backup.sqlite")){
          Lazarus.file.move("%profile%/lazarus-backup.sqlite", "%profile%/lazarus.sqlite");
        }

        var db = new Lazarus.SQLite("%profile%/lazarus.sqlite", false);

        if (!Lazarus.checkDatabase(db)){
          //save the corrupted database file
          Lazarus.warning("Database is corrupted, saving corrupt database");
          var d = Lazarus.formatDate(new Date(), true);
          Lazarus.file.kill("%profile%/lazarus-"+ d +"-corrupted.sqlite");
          Lazarus.file.move("%profile%/lazarus.sqlite", "%profile%/lazarus-"+ d +"-corrupted.sqlite");
          db = null;
        }

        //use the backup database if it exists.
        if (!db && Lazarus.file.exists("%profile%/lazarus-backup.sqlite")){
          Lazarus.warning("Restoring previous backup database");
          Lazarus.file.move("%profile%/lazarus-backup.sqlite", "%profile%/lazarus.sqlite");
          db = new Lazarus.SQLite("%profile%/lazarus.sqlite", false);
          if (!Lazarus.checkDatabase(db)){
            //delete the broken backup file
            Lazarus.file.kill("%profile%/lazarus.sqlite");
            db = null;
          }
        }

        if (!db){
          //delete any existing database, and build a new one from scratch
          Lazarus.file.kill("%profile%/lazarus.sqlite");
          db = new Lazarus.SQLite("%profile%/lazarus.sqlite", false);
          if (!Lazarus.checkDatabase(db)){
            //oh, so screwed
            Lazarus.error("Unable to create the Lazarus database");
            db = null;
          }
        }

        if (db){
          //ok we should now have a valid and checked database
          //make a backup of it.
          //remove the old backup (if it exists)
          if (Lazarus.getPref("extensions.lazarus.backupDatabase")){
            Lazarus.debug("Backing up database");
            Lazarus.file.copy("%profile%/lazarus.sqlite", "%profile%/lazarus-backup.sqlite", true);
          }
        }

        Lazarus.Global.db = db;
    }

    Lazarus.db = Lazarus.Global.db;
    return Lazarus.db ? true : false;
}


Lazarus.cleanDB = function(callback){
  //takes ages to clean the database
  Lazarus.debug("Cleaning database");
  Lazarus.cleaningDatabase = true;
  Lazarus.refreshIcon();
  Lazarus.backgroundTask(function(){
    Lazarus.db.exe("VACUUM");
  }, function(){
    Lazarus.cleaningDatabase = false;
    Lazarus.refreshIcon();
    if (callback){
      callback();
    }
  });
}

/**
* convert autosaved forms to semi-permanent save points
*/
Lazarus.saveAutoSavedForms = function(){

    //convert autosaved forms to semi-permanent points
    var rs = Lazarus.db.rs("SELECT id, formid FROM forms WHERE savetype = "+ Lazarus.FORM_TYPE_AUTOSAVE +" ORDER BY formid, created DESC");
    var lastFormId = '';
    var lastFormCnt = 0;
    var MAX_AUTOSAVES_TO_KEEP = 2;
    for (var i=0; i<rs.length; i++){
        var savedForm = rs[i];
        if (lastFormId != savedForm["formid"]){
            lastFormId = savedForm["formid"];
            lastFormCnt = 1;
        }
        else {
            lastFormCnt++;
        }

        if (lastFormCnt <= MAX_AUTOSAVES_TO_KEEP){
            Lazarus.db.exe('UPDATE forms SET savetype = '+ Lazarus.FORM_TYPE_STALE_AUTOSAVE +' WHERE id = ?1', savedForm["id"]);
        }
        else {
            //excess saved form, remove it
                        Lazarus.removeForms(savedForm["id"]);
        }
    }
}

/**
* removes old/excess forms from the database
*/
Lazarus.removeOldForms = function(){
    var rs = Lazarus.db.rs("SELECT count(*) as cnt, formid FROM forms WHERE savetype = "+ Lazarus.FORM_TYPE_NORMAL +" GROUP BY formid");
    var maxForms = Lazarus.getExtPref("maxSavesPerForm", 10);
    for (var i=0; i<rs.length; i++){
        var save = rs[i];
        if (save["cnt"] > maxForms){
            Lazarus.debug("Removing excess forms "+ save["formid"]);
            var ids = Lazarus.db.getColumn("SELECT id FROM forms WHERE formid = ?1 AND savetype = "+ Lazarus.FORM_TYPE_NORMAL +" ORDER BY created DESC LIMIT -1 OFFSET ?2", save["formid"], maxForms);
            if (ids.length){
                //and remove
                Lazarus.debug("cleaning up forms "+ ids.join(","));
                                Lazarus.removeForms(ids);
            }
        }
    }
}

/**
* empties all the tables in the database
* except those specified.
*/
Lazarus.emptyDB = function(ignoreFormTypes){
    //always remove text data
    Lazarus.db.exe('DELETE FROM textdata');
    Lazarus.db.exe('DELETE FROM textdata_fulltext');

    if (typeof ignoreFormTypes == "undefined"){
        Lazarus.db.exe('DELETE FROM forms');
        Lazarus.db.exe('DELETE FROM forms_fulltext');
    }
    else {
                var ids = Lazarus.db.getColumn('SELECT id FROM forms WHERE savetype NOT IN ('+ ignoreFormTypes +')');
                Lazarus.removeForms(ids);
    }
}

/**
* completely remove the database
*/
Lazarus.killDB = function(){
    Lazarus.file.kill("%profile%/lazarus.sqlite");
    Lazarus.file.kill("%profile%/lazarus-backup.sqlite");
}

/**
* run any update functions
*/
Lazarus.runUpdates = function(prevVersion){
    for(var key in Lazarus.updates){
        if (Lazarus.versionCompare(key, prevVersion) == 1){
            Lazarus.debug("running update "+ key);
            try {
                Lazarus.updates[key](prevVersion);
            }catch(e){
                Lazarus.error(e);
            }
        }
    }
}

/**
* fire a "clear-private-data" event if the user has asked to clear private data on shutdown with no prompt
*/
Lazarus.fireClearPrivateDataOnShutdown = function(){
    if (Lazarus.getPref("privacy.sanitize.sanitizeOnShutdown", false) && !Lazarus.getPref("privacy.sanitize.promptOnSanitize", true)){
        Lazarus.Event.fire("clear-private-data");
    }
}

/**
* clear private data if all the preferences say so
*/
Lazarus.onClearPrivateData = function(action){
    if (Lazarus.getExtPref("privacy.item.saved.forms")){
        Lazarus.emptyDB(Lazarus.FORM_TYPE_TEMPLATE);
        Lazarus.debug("ClearPrivateData: removing all forms");
    }
}

/**
* return TRUE if lazarus requires a password before data can be decrypted
*/
Lazarus.isPasswordSet = function(){
    //we test this by attempting to decrypt the private key with a blank password
    var encb64Key = Lazarus.db.getStr("SELECT value FROM settings WHERE name = 'private-key'");
    //we need to unencrypt the private key
    return Lazarus.Crypto.AESDecrypt(encb64Key, "") ? false : true;
}

/*
* encrypts a string
*/
Lazarus.encrypt = function(str){
    return Lazarus.Crypto.encrypt(str);
}

/*
* encrypts a string
*/
Lazarus.decrypt = function(str){
    return Lazarus.Crypto.decrypt(str);
}


/*
* encrypts a string
*/
Lazarus.encrypt2 = function(str){
    //hmmm interesting, the encrypted string is not always the same.
    //a certain amount of decryption information must be kept within the encrypted string
    //so we cannot compare encrypted string against each other to test if they are the same
    //all encrypted string must be DECRYPTED before comparison.

    //Unable to decrypt extended characters (eg \u8888)!
    //IMPORTANT: extended characters are not correctly encoded/decoded in the bsao function used by the encryptor, so (as of 2008-07-24)
    //we'll be encoding all strings before encrypting them, and then decoding afterwards.
    //by adding a 4 character header ("uri:") we can tell which type of string we have (encodeURIComponent).

    Lazarus.decoderRing = Lazarus.decoderRing || Components.classes["@mozilla.org/security/sdr;1"].getService(Components.interfaces.nsISecretDecoderRing);
    var encStr = encodeURIComponent(str);
    return "uri:"+ Lazarus.decoderRing.encryptString(encStr);
}

/**
* decrypt a string
*/
Lazarus.decrypt2 = function(str){
    //IMPORTANT: extended characters (eg \u8888) are not correctly encoded/decoded, so (as of 2008-07-24)
    //we'll be encoding all strings before encrypting them, and then decoding afterwards.
    //by inspecting the 4 character header we can tell which type of string we have.
    Lazarus.decoderRing = Lazarus.decoderRing || Components.classes["@mozilla.org/security/sdr;1"].getService(Components.interfaces.nsISecretDecoderRing);
    if (str.indexOf("uri:") == 0){
        str = str.substr(4);
        var strEnc = Lazarus.decoderRing.decryptString(str);
        return decodeURIComponent(strEnc);
    }
    else {
        return Lazarus.decoderRing.decryptString(str);
    }
}

/**
* calulate md5 hash of a string
* ref: http://developer.mozilla.org/en/docs/nsICryptoHash#Computing_the_Hash_of_a_String
*/
Lazarus.md5 = function(str){

    var nsICryptoHash = Components.classes['@mozilla.org/security/hash;1'].createInstance(Components.interfaces.nsICryptoHash);

    var converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
    converter.charset = "UTF-8";
    // result is an out parameter,
    // result.value will contain the array length
    var result = {};
    // data is an array of bytes
    var data = converter.convertToByteArray(str, result);

    nsICryptoHash.init(Components.interfaces.nsICryptoHash.MD5);
    nsICryptoHash.update(data, data.length);
    var hash = nsICryptoHash.finish(false);

    // Unpack the binary data bin2hex style
    var ascii = [];
    var len = hash.length;
    for (var i = 0; i < len; ++i) {
        var c = hash.charCodeAt(i);
        var ones = c % 16;
        var tens = c >> 4;
        ascii.push(String.fromCharCode(tens + (tens > 9 ? 87 : 48)) + String.fromCharCode(ones + (ones > 9 ? 87 : 48)));
    }
    return ascii.join('');
}


/**
* return TRUE if master password is set
*/
Lazarus.isMasterPasswordSet = function(){
    var secmodDB = Components.classes["@mozilla.org/security/pkcs11moduledb;1"].getService(Components.interfaces.nsIPKCS11ModuleDB);
    var slot = secmodDB.findSlotByName("");
    return (slot && (slot.status == Components.interfaces.nsIPKCS11Slot.SLOT_NOT_LOGGED_IN || slot.status == Components.interfaces.nsIPKCS11Slot.SLOT_LOGGED_IN));
}

/**
* return TRUE if a user has set the firefox master password and has not yet logged in.
*/
Lazarus.isMasterPasswordRequired = function(){
    var secmodDB = Components.classes["@mozilla.org/security/pkcs11moduledb;1"].getService(Components.interfaces.nsIPKCS11ModuleDB);
    var slot = secmodDB.findSlotByName("");
    return (slot && slot.status == Components.interfaces.nsIPKCS11Slot.SLOT_NOT_LOGGED_IN);
}

/**
*
*/
Lazarus.enterMasterPassword = function(){

    //encrypting a string should open the enter master password dialog
    try {
        var decoderRing = Components.classes["@mozilla.org/security/sdr;1"].getService(Components.interfaces.nsISecretDecoderRing);
        decoderRing.encryptString("dummy");
        return true;
    }
    catch(e){
        return false;
    }
}


Lazarus.openGenerateKeysDialog = function(){
    window.open("chrome://lazarus/content/generate-keys.xul", "LazarusGenerateKeys", "chrome,dialog,modal,resizable,centerscreen");
}

/**
* dictionary of notification to display in the popup.
*/
Lazarus.notifications = {};
Lazarus.notifications["password-required"] = {
    "buttons" : [
        {
            "label-string": "notification.password.required.button1.label",
            "accessKey-string": "notification.password.required.button1.accesskey",
            "callback": function(notif, label){
                Lazarus.showEnterPasswordDialog();
                Lazarus.refreshIcon();
            }
        }
    ],
    "text-string" : "notification.password.required.text",
    "iconUrl" : "chrome://lazarus/skin/lazarus-error.png"
}

Lazarus.notifications["password-required-autofill"] = {
    "buttons" : [
        {
            "label-string": "notification.password.required.autofill.button1.label",
            "accessKey-string": "notification.password.required.autofill.button1.accesskey",
            "callback": function(notif, label){
                Lazarus.showEnterPasswordDialog();
                Lazarus.refreshIcon();
                Lazarus.autofillDoc(content.document);
            }
        }
    ],
    "text-string" : "notification.password.required.autofill.text",
    "iconUrl" : "chrome://lazarus/skin/lazarus-error.png"
}

Lazarus.notifications["form-restored"] = {
    "buttons" : [
        {
            "label-string": "notification.form.restored.button1.label",
            "accessKey-string": "notification.form.restored.button1.accesskey",
            "callback": function(notif, label){

                var data = Lazarus.$('lazarus-notification').getAttribute('lazarus-data');
                var page = 'donate.html';
                page += (data) ? ('?'+ data) : '';
                Lazarus.openLazarusWebsite(page);
            }
        }
    ],
    "text-string" : "notification.form.restored.text",
    "iconUrl" : "chrome://lazarus/skin/lazarus.png"
}

/**
* displays the lazarus notification box
*/
Lazarus.showNotificationBox = function(id, text, data){
    var notif = Lazarus.notifications[id];

    if (Lazarus.$('lazarus-notification').currentNotification && Lazarus.$('lazarus-notification').currentNotificationId == id){
        //do nothing, notification box is already shown
    }
    else if (notif){
        //translate text, and buttons
        if (text){
            notif["text"] = text;
        }
        else if (!notif["text"] && notif["text-string"]){
            notif["text"] = Lazarus.getString(notif["text-string"]);
        }

        for (var i=0; i<notif.buttons.length; i++){
            var button = notif.buttons[i];
            if (!button["label"] && button["label-string"]){
                button["label"] = Lazarus.getString(button["label-string"]);
            }
            if (!button["accessKey"] && button["accessKey-string"]){
                button["accessKey"] = Lazarus.getString(button["accessKey-string"]);
            }
        }

        var notificationBox = Lazarus.$('lazarus-notification');
        notificationBox.setAttribute('lazarus-data', data || '');
        notificationBox.currentNotificationId = id;
        notificationBox.appendNotification(notif["text"], id, notif["iconUrl"], notificationBox.PRIORITY_INFO_LOW, notif["buttons"]);
    }
    else {
        Lazarus.error(Error("Lazarus: invalid notification id ["+ id +"]"));
    }
}

/**
* closes the notification box
*/
Lazarus.closeNotificationBox = function(immediate){
    Lazarus.$('lazarus-notification').removeAllNotifications(immediate);
}

/**
* returns a list of the templates found in the database
*/
Lazarus.getTemplateNames = function(){
    return Lazarus.db.getColumn("SELECT formname FROM forms WHERE savetype = "+ Lazarus.FORM_TYPE_TEMPLATE +" ORDER BY formname");
}

/**
* handle user clicking on the "Save form as template..." menuitem
*/
Lazarus.onSaveFormMenuItem = function(){
    //find the current form
    var form = Lazarus.findFormFromElement(gContextMenu.target, "form");

    //and show the save as template dialog
    if (form){
        var info = Lazarus.formInfo(form, Lazarus.FORM_TYPE_NORMAL);
        var args = {};
        args.templateName = '';
        //add the names of the current templates within the database
        args.templateNames = Lazarus.getTemplateNames();
        //suggest using the default name for this form
        args.defaultName = Lazarus.getMenuItemText(info.formtext) || ("["+ Lazarus.getString("untitled") +"]");
        //WYSIWYG and TEXTAREAs cannot be autofilled
        args.isTextarea = form.isTextarea;
        args.isIframe = form.isIframe;

        //IMPORTANT: must use open dialog here otherwise the arguments are not passed.
        window.openDialog("chrome://lazarus/content/template-save.xul", "LazarusTemplateSave", "chrome,modal,resizable", args);
        if (args.templateName){
            Lazarus.saveForm(form, Lazarus.FORM_TYPE_TEMPLATE, args.templateName, args.autofill);
        }
    }
    //or throw an error
    else {
        alert(Lazarus.getString("error.form.object.not.found"));
        Lazarus.error(Error("Unable to find form in the document"));
    }
}

/**
* compare two version numbers (eg 2.0.0.1beta3, 2.0.0rc1)
* return 1 if version1 > version2
* return 0 if version1 == version2
* return -1 if version1 < version2
*/
Lazarus.versionCompare = function(version1, version2){

    function getValueOfVersionSegment(seg){

        if (typeof seg === "undefined"){
            return 0;
        }
        else if (/^\d+$/.test(seg)){
            return parseInt(seg);
        }
        else {
            switch(seg){
                case "rc": return -1;
                case "beta": return -2;
                case "alpha": return -3;
                case "dev": return -4;
                default:
                    throw Error("Lazarus.versionCompare: Unknown version fragment ["+ seg +"]");
            }
        }
    }

    //verify version strings
    var regexVerify = /^[\d\.(dev|alpha|beta|rc)]+$/i;

    if (!regexVerify.test(version1)){
        Lazarus.error("Lazarus.versionCompare: Invalid version string ["+ version1 +"]");
        version1 = "0";
    }
    else if (!regexVerify.test(version2)){
        Lazarus.error("Lazarus.versionCompare: Invalid version string ["+ version2 +"]");
        version2 = "0";
    }

    //split each version into sections
    var ver1 = version1.toLowerCase().replace(/(\w)(\d)/g, "$1.$2").replace(/(\d)(\w)/g, "$1.$2").split(/[\.\b]/g);
    var ver2 = version2.toLowerCase().replace(/(\w)(\d)/g, "$1.$2").replace(/(\d)(\w)/g, "$1.$2").split(/[\.\b]/g);

    //compare each section until a non match occurs
    var maxLen = Math.max(ver1.length, ver2.length);
    for (var i=0; i<maxLen; i++){
        //convert the version segment into a numeric value
        var seg1 = (typeof ver1[i] === "undefined") ? 0 : getValueOfVersionSegment(ver1[i]);
        var seg2 = (typeof ver2[i] === "undefined") ? 0 : getValueOfVersionSegment(ver2[i]);

        if (seg1 > seg2){
            return 1;
        }
        else if (seg1 < seg2){
            return -1;
        }
    }
    //all parts are equal
    return 0;
}


/**
* return the path to this extension install directory
* gives correct path even if extension is not installed in a users profile directory.
*/
Lazarus.getExtensionDir = function(extId){
    // the extension's id from install.rdf
    extId = extId || Lazarus.guid;
    var em = Components.classes["@mozilla.org/extensions/manager;1"].getService(Components.interfaces.nsIExtensionManager);
    return em.getInstallLocation(extId).getItemFile(extId, "install.rdf").parent.path;
}

/**
* check the website to see if there is a new update available
*/
Lazarus.checkForUpdates = function(){
    //never check more than once a day
    if (Lazarus.getExtPref("lastUpdateCheck") + (24 * 60 * 60) < Lazarus.timestamp()){
        Lazarus.setExtPref("lastUpdateCheck", Lazarus.timestamp());

        // create browser
        var browser = document.createElement("browser");
        browser.collapsed = true;
        //browser.style.height = "0px";
        document.documentElement.appendChild(browser);

        // set restrictions as needed
        browser.webNavigation.allowAuth = false;
        browser.webNavigation.allowImages = true;
        browser.webNavigation.allowJavascript = true; // so the google analytic code works
        browser.webNavigation.allowMetaRedirects = false;
        browser.webNavigation.allowPlugins = false;
        browser.webNavigation.allowSubframes = false;

        // listen for load
        browser.addEventListener("DOMContentReady", function(evt){
            // the document of the HTML in the DOM
            var doc = evt.originalTarget;
            //check URL (could be about:blank)
            if (doc && doc.URL != "about:blank"){
                var ele = doc.getElementById('latest-stable');
                if (ele && ele.innerHTML){
                    Lazarus.setExtPref("lastestStableVersion", ele.innerHTML);
                }
                var ele = doc.getElementById('latest-beta');
                if (ele && ele.innerHTML){
                    Lazarus.setExtPref("lastestBetaVersion", ele.innerHTML);
                }
                // remove browser element when done
                //mouse pointer has loading symbol unless we do this?
                browser.contentDocument.location = "about:blank";
                browser.parentNode.removeChild(browser);

                Lazarus.updateVersionIcons();
            }
        }, true);

        // load update check
        browser.contentDocument.location.href = "http://lazarus.interclue.com/version-check.php";

        //check again tomorrow
        setTimeout(Lazarus.checkForUpdates, 24 * 60 * 60 * 1000);
    }
    else {
        //didn't check, so check again in 10 minutes
        setTimeout(Lazarus.checkForUpdates, 10 * 60 * 1000);
    }
}

/**
* displays the "new beta" or "new stable" icons is a newer version is available.
*/
Lazarus.updateVersionIcons = function(){
    var stable = Lazarus.getExtPref("lastestStableVersion", "");
    var beta = Lazarus.getExtPref("lastestBetaVersion", "");
    var thisVersion = Lazarus.getVersionStr();
    if (beta && Lazarus.getExtPref("checkForUpdatesBeta") && Lazarus.versionCompare(thisVersion, beta) == -1){
        //show the new beta icon
        Lazarus.$("lazarus-update-beta-statusbar-image").hidden = false;
    }
    else if (stable && Lazarus.getExtPref("checkForUpdates") && Lazarus.versionCompare(thisVersion, stable) == -1){
        //show the new stable version icon
        Lazarus.$("lazarus-update-stable-statusbar-image").hidden = false;
    }
}

/**
* attempts to download the latest versin of Lazarus
*/
Lazarus.getUpdate = function(version){
    var urls = {
        "stable": "http://lazarus.interclue.com/downloads/lazarus.xpi",
        "beta" : "http://lazarus.interclue.com/downloads/lazarus-beta.xpi"
    }

    var url = urls[version] ? urls[version] : urls["stable"];
    Lazarus.getBrowser().content.location = url;
}

/**
* return TRUE if the user is in private Browsing mode (Fx 3.1+)
*/
Lazarus.isPrivateBrowsing = function(){

    try {
        return Components.classes["@mozilla.org/privatebrowsing;1"] && Components.classes["@mozilla.org/privatebrowsing;1"].getService(Components.interfaces.nsIPrivateBrowsingService).privateBrowsingEnabled;
    }
    catch(e){
        return false;
    }
}

/**
* return TRUE if Lazarus is currently disabled because the user is in private browsing mode
*/
Lazarus.isDisabledByPrivateBrowsing = function(){
    return (Lazarus.isPrivateBrowsing() && !Lazarus.getPref("extensions.lazarus.enableInPrivateBrowsingMode"));
}

/**
* return an FNV1a hash of the given string
*/
Lazarus.FNV1a = function(str, seed){

    //hash = offset_basis
    var hash = seed ? parseInt(seed, 16) : 2166136261;

    //only calculate the length once
    var len = str.length;

    //for each octet_of_data to be hashed
    for (var i=0; i<len; i++){

        hash ^= str.charCodeAt(i);

        //hash = hash * FNV_prime (apparently this bitshifting does the same thing)
        hash += ((hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24));
    }

    return Math.abs(Number(hash & 0x00000000ffffffff)).toString(16);
}


Lazarus.openTextManager = function(){

    //if not logged in close window
    if (!Lazarus.canDecrypt()){
        //try loggin in immediately
        Lazarus.showEnterPasswordDialog();
    }

    //if they still can't login do nothing
    if (Lazarus.canDecrypt()){
        window.open("chrome://lazarus/content/text-manager.xul", "", "chrome,centerscreen,resizable");
    }
}

/**
*
**/
Lazarus.refreshMenuIcons = function(){

    var items = {
        'lazarus-enterpassword-contextmenuitem': 'chrome://lazarus/skin/lazarus-login.png',
        'lazarus-restoretext-submenu': 'chrome://lazarus/skin/lazarus.png',
        'lazarus-restoretextdisabled-contextmenuitem': 'chrome://lazarus/skin/lazarus-disable.png',
        'lazarus-restoreform-contextmenuitem': 'chrome://lazarus/skin/lazarus.png',
        'lazarus-restoreform-submenu': 'chrome://lazarus/skin/lazarus.png',
        'lazarus-submenu-menuitem-donate': 'chrome://lazarus/skin/donate.png',
        'lazarus-saveform-contextmenuitem': 'chrome://lazarus/skin/lazarus-save.png',
        'lazarus-domaindisabled-contextmenuitem': 'chrome://lazarus/skin/lazarus-disabled.png',
        'lazarus-privatebrowsing-contextmenuitem': 'chrome://lazarus/skin/lazarus-disabled.png'
    };

    var show = Lazarus.getPref('extensions.lazarus.showContextMenuIcons');

    for(var id in items){
        Lazarus.setMenuIcon(document.getElementById(id), show ? items[id] : null);
    }
}


/**
*
*/
Lazarus.setMenuIcon = function(ele, iconURL){
    var classname = ele.tagName.toLowerCase() +"-iconic";

    if (iconURL){
        ele.setAttribute("image", iconURL);
        Lazarus.addClass(ele, classname);
    }
    else {
        //remove the icon
        ele.setAttribute("image", "");
        Lazarus.removeClass(ele, classname);
    }
}


/**
* return TRUE if class exists
*/
Lazarus.classExists = function(ele, classname){
    var currName = ele.getAttribute('class') || '';
    return ((" "+ currName.toLowerCase() +" ").indexOf(" "+ classname.toLowerCase() +" ") > -1);
}


/**
* adds a classname to an element if the name doesn't exist
*/
Lazarus.addClass = function(ele, classname){
    if (!Lazarus.classExists(ele, classname)){
        ele.setAttribute('class', (ele.getAttribute('class') || '') +" "+ classname);
    }
}


/**
* remove a classname from an element
*/
Lazarus.removeClass = function(ele, classname){
    if (Lazarus.classExists(ele, classname)){
        var newClassname = ele.getAttribute('class').toLowerCase().replace(classname.toLowerCase(), "").replace(/\s+/g, ' ').replace(/^\s+|\s+$/g, '');
        ele.setAttribute('class', newClassname);
    }
}

/**
*
*/
Lazarus.test = function(evt){


    Lazarus.cleanDB();
    return;


    alert(1);
    Lazarus.backgroundTask(function(){

      var x = 1234
      for(var i=0; i<20000000; i++){
        x = x/100;
      }

      //try throwing an error in the middle of the function
      x = a.b.c;

      return x;


    }, function(result){
      alert(result);
    })


    return;


    alert("Private = "+ Lazarus.isPrivateBrowsing());
    return;



//~ Unit.assert("Lazarus.canEncrypt()", true, "should be able to encrypt");

//~ alert(Unit.getLog());
//~ return;


    var len = 10;

    var p = new Profiler("decrypt");
    var enc = [];
    var dec = [];
    for (var i=0; i<len; i++){
        enc[i] = Lazarus.encrypt("abc"+ Math.random());
    }
    p.mark("encrypted "+ len +" strings");
    for (var i=0; i<len; i++){
        dec[i] = Lazarus.decrypt(enc[i]);
    }

    debug(p.stop("decrypted"));
    return;




    debug(Lazarus.db.rs("SELECT hashed_text FROM textdata_fulltext LIMIT 1"));
    return;

    Lazarus.openTextManager();
    return;

    var str = prompt("Enter search string");
    if (str){
        debug(str, Lazarus.hashQuery(str));
        var rs = Lazarus.db.rs("SELECT id, text_encrypted FROM textdata JOIN textdata_fulltext ON textdata.id = textdata_fulltext.docid WHERE textdata_fulltext.hashed_text MATCH ?1", Lazarus.hashQuery(str));
        debug(rs);

        var text = '';
        for (var i=0; i<rs.length; i++){
            text += rs[i].id +":"+ Lazarus.decrypt(rs[i].text_encrypted) +"\n";
        }
        alert(text ? text : "== no results ==");
    }
    return;



    alert(Lazarus.hash("chongo <Landon Curt Noll> /\\../\\"));
    return;


    var p = new Profiler('encrypt large file');
    var s = Lazarus.file.readBinary("%profile%/test.sqlite");
    p.mark("Read file");
    var enc = Lazarus.encrypt(s);
    p.mark("Encrypt file");
    var dec = Lazarus.decrypt(enc);
    p.mark("Decrypt file : "+ (dec == s));

    //Lazarus.file.readBinary("%profile%/test.sqlite");
    alert(p.stop("finished"));
    return;



    alert(Lazarus.enterMasterPassword());
    return;

    alert(1);
    Lazarus.isMasterPasswordSet();
    alert(2);


    Lazarus.isMasterPasswordSet();
    return;


    Lazarus.db.exe("DELETE FROM settings WHERE name = 'public-key' OR name = 'private-key'");
    return;


    var p = new Profiler("encryption");

    var str = "{testing...}";

    var str = '';
    for (var i=0; i<200000; i++){
        str += "A";
    }

    var enc = Lazarus.Crypto.encrypt(str);
    debug(enc);
    p.mark("Encrypted string (Hybrid) of length "+ str.length);

    var dec = Lazarus.Crypto.decrypt(enc);
    p.mark("Decrypted string (Hybrid): "+ ((dec == str) ? "success" : "FAILED!"));

    //compare with SSD encryption
    var enc = Lazarus.encrypt(str);
    p.mark("Encrypted string (SSD) of length "+ str.length);

    var dec = Lazarus.decrypt(enc);

    alert(p.stop("Decrypted string (SSD): "+ ((dec == str) ? "success" : "FAILED!")));
    return;


    var keyPair = Lazarus.Crypto.generateRSAKeyPair("{password}");

    p.mark("Generate RSA key pair");

    var symKey = Lazarus.Crypto.crypto.generateRandomKey();

    //attempting to amke a smaller symkey
    symKey = btoa(atob(symKey).substr(0, 16));

    p.mark("Generate symetric key ["+ atob(symKey).length +" characters]");

    var wrapped = Lazarus.Crypto.crypto.wrapSymmetricKey(symKey, keyPair.pubkey);

    p.mark("RSA Encrypt symetric key");

    var unwrapped = Lazarus.Crypto.crypto.unwrapSymmetricKey(wrapped, keyPair.privkey,
                                              keyPair.password,
                                              keyPair.passphraseSalt,
                                              keyPair.privkeyWrapIV);


    p.mark("RSA Decrypt symetric key");

    debug(unwrapped, symKey == unwrapped);

    alert(p.stop(symKey == unwrapped ? "success" : "failed!"));


    return;


    var str = '';
    for (var i=0; i<200000; i++){
        str += "A";
    }


    str = "a very short string.";

    //speed test
    var p = new Profiler("Encrypting a str of length :"+ str.length);

    var keypair = Lazarus.Crypto.generateKeyPair(512);

    p.mark("generate RSA key pair (512 bit)");


    debug(Lazarus.Crypto.crypto);

    var enc = Lazarus.Crypto.encrypt(str, keypair.public);
    p.mark("hybrid encrypt a string");


    var dec = Lazarus.Crypto.decrypt(enc, keypair.private);
    debug(dec);


    p.mark("hybrid decrypt a string"+ ((str == dec) ? "success" : "FAILED!"));

    alert(p.stop());
    //var enc = Lazarus.Crypto.encrypt("a string \u5555");

    //debug(atob(Lazarus.Crypto.crypto.generateRandomIV()));
    //debug(atob(Lazarus.Crypto.crypto.generateRandomKey()));

    return;


    //labs.mozilla.com/Weave/Crypto
    //interclue.com/Lazarus/Crypto2

    try {
        var xx = Components.classes["@labs.mozilla.com/Weave/Crypto;1"].
            createInstance(Components.interfaces.IWeaveCrypto);
    }
    catch(e){
        if (confirm("Failed to create Weave:crypto object, weave not installed?\nInstall Weave now?")){
            Lazarus.openURL('http://dev.izeal.com/xpi/lazarus/weave-0.2.98.xpi', true, true);
        }
    }


    debug(xx);
    return;


    var randIV = xx.generateRandomIV();
    //debug(randIV);

    var randKey = xx.generateRandomKey();
    //debug(randKey);

    var str = '';
    for (var i=0; i<200000; i++){
        str += "A";
    }

    //speed test
    var p = new Profiler("Encrypting a str of length :"+ str.length);
    var enc = xx.encrypt(str, randKey, randIV);
    p.mark("weave (aes-256-cbc): encrypted");
    var dec = xx.decrypt(enc, randKey, randIV);
    p.mark("weave (aes-256-cbc): decrypted : "+ ((str == dec) ? "success" : "FAILED!"));
    var enc = Lazarus.encrypt(str);
    p.mark("SecretKeyRing: encrypted");
    var dec = Lazarus.decrypt(enc);
    p.mark("SecretKeyRing: decrypted : "+ ((str == dec) ? "success" : "FAILED!"));

    alert(p.stop());


    //alert("Private = "+ Lazarus.isPrivateBrowsing());

    return;
      //~ var pbs = Components.classes["@mozilla.org/privatebrowsing;1"].getService(Components.interfaces.nsIPrivateBrowsingService);

      //~ // are we currently in the Private Browsing mode?
      //~ var inPrivateBrowsingMode = pbs.privateBrowsingEnabled;
        //~ alert(inPrivateBrowsingMode);
        //~ return;



    //~ var pbs = Components.classes["@mozilla.org/browser/privatebrowsing;1"]
                    //~ .getService(Components.interfaces.nsIPrivateBrowsingService);

    //~ pbs.privateBrowsing = !pbs.privateBrowsing;
    //~ alert(pbs.privateBrowsing);

    //~ return;


    //http://lazarus.interclue.com/
    var url = "http://tinyurl.com/5qhvvw";
    var log = [];
    var xmlhttp = new XMLHttpRequest();
    xmlhttp.open("HEAD", url);
    xmlhttp.onreadystatechange = function(){
        try {
            //debug(xmlhttp.readyState);
            //debug(xmlhttp.status);
            //debug(xmlhttp.getAllResponseHeaders());
        }catch(e){}

        if (xmlhttp.readyState == 4){
            Lazarus.dump(xmlhttp.channel.originalURI);
            Lazarus.dump(xmlhttp.channel.URI);
        }

    }
    xmlhttp.send(null);
    return;

    //Lazarus.checkForUpdates();
    return;

    alert(decodeURIComponent(encodeURIComponent("\u2663")))

    var str = "\u2663";
    alert(str +" ["+ str.length +"]");
    var enc = Lazarus.encrypt(str);
    alert(enc);
    var s = Lazarus.decrypt(enc);
    alert(s);
    //~ var alertsService = Components.classes["@mozilla.org/alerts-service;1"]
                              //~ .getService(Components.interfaces.nsIAlertsService);
//~ alertsService.showAlertNotification("chrome://mozapps/skin/downloads/downloadIcon.png",
                                    //~ "Alert title", "Alert text goes here.",
                                    //~ false, "", null);

//~ function setToNormalZ(aWindow) {
     //~ aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
     //~ var webnav = aWindow.getInterface(Components.interfaces.nsIWebNavigation);
     //~ var dsti = webnav.QueryInterface(Components.interfaces.nsIDocShellTreeItem);
     //~ var treeowner = dsti.treeOwner;
     //~ var ifreq = treeowner.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
     //~ var xulwin = ifreq.getInterface(Components.interfaces.nsIXULWindow);
     //~ xulwin.zLevel = 9;
//~ }


  //~ var win = window.open("chrome://lazarus/content/test.xul", "test", "chrome");


//~ setTimeout(function(){
    //~ //
    //~ //alert("a");
    //~ setToNormalZ(win);

//~ }, 3000);

//~ <?xml-stylesheet href="chrome://global/skin/alerts/alert.css" type="text/css"?>

//~ <window id="alertNotification"
        //~ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        //~ windowtype="alert:alert"
        //~ xmlns:xhtml2="http://www.w3.org/TR/xhtml2"
        //~ xmlns:wairole="http://www.w3.org/2005/01/wai-rdf/GUIRoleTaxonomy#"
        //~ xhtml2:role="wairole:alert"
        //~ align="start"
        //~ onload="onAlertLoad()">


    //~ if (Lazarus.state == Lazarus.STATE_DISABLED){
        //~ Lazarus.enable();
    //~ }
    //~ else {
        //~ Lazarus.disable();
    //~ }

    //Lazarus.warning("test");
    //Lazarus.updates["1.0.1beta4"]();

    //~ Lazarus.debug(Lazarus.getBaseDomain('www.127.0.0.1'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('domain.tv.com'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('domain.com.tv'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('domain.tv'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('domain.com'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('secure.email.website.co.uk'));
    //~ Lazarus.debug(Lazarus.getBaseDomain('this.is.a.worst.shortly.subdomain.thisIsMyMainWebsite.com.cl'));
}




Lazarus.icon = "data:image/png;base64,\
iVBORw0KGgoAAAANSUhEUgAAAAsAAAAOCAYAAAD5YeaVAAAALHRFWHRDcmVhdGlvbiBUaW1lAFRo\
dSAxMiBOb3YgMjAwOSAxMzoxOToxNiArMTIwMJCaV2oAAAAHdElNRQfZCwwAFimayURVAAAACXBI\
WXMAAAsSAAALEgHS3X78AAAABGdBTUEAALGPC/xhBQAAASZJREFUeNq1ks1KAmEUhh+/GZkGs6IS\
gzYhhREEwbRw56IbSaIbaNe+K2gvFEWB11Cgm4LUKKGfRRqVpKVTpkJpOpOJow6ufVfn8D7nfC8f\
B4YlR39zesHc8wPrRpNx9xildJrw9hZZyxdWkUggV3XWLhPcn8XZcQoyX2W0/mVdODPSesWBojh5\
D+/yYTp4q+g93wZ//mA6Fc4XFlnaO8L38sS8XuIuEukxslWsSISaE3xLPvzVCv56g9rGJpVcltWW\
fWiDYzHU/Ct4vDy6RwlcX3Fyk4Ji0f4JbWlae1CKpwjsH3MQCrHciSkGMieTNEwTwzSYUhQmJRVv\
xzIG4H9Fo4haHa8QuFwqs8GgPYLc3xQ8iN9bpvM51GqZmUKhvaw5tJPo6g+jvlxgBqGatwAAAABJ\
RU5ErkJggg==";