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- var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
- parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
- var isMinIE4 = (document.all) ? 1 : 0;
- var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;
-
- function hideLayer(layer) {
-
- if (isMinNS4)
- layer.visibility = "hide";
- if (isMinIE4)
- layer.style.visibility = "hidden";
- }
-
- function showLayer(layer) {
-
- if (isMinNS4)
- layer.visibility = "show";
- if (isMinIE4)
- layer.style.visibility = "visible";
- }
-
- function isVisible(layer) {
-
- if (isMinNS4 && layer.visibility == "show")
- return(true);
- if (isMinIE4 && layer.style.visibility == "visible")
- return(true);
-
- return(false);
- }
-
-
- function moveLayerTo(layer, x, y) {
-
- if (isMinNS4)
- layer.moveTo(x, y);
- if (isMinIE4) {
- layer.style.left = x;
- layer.style.top = y;
- }
- }
-
- function moveLayerBy(layer, dx, dy) {
-
- if (isMinNS4)
- layer.moveBy(dx, dy);
- if (isMinIE4) {
- layer.style.pixelLeft += dx;
- layer.style.pixelTop += dy;
- }
- }
-
- function getLeft(layer) {
-
- if (isMinNS4)
- return(layer.left);
- if (isMinIE4)
- return(layer.style.pixelLeft);
- return(-1);
- }
-
- function getTop(layer) {
-
- if (isMinNS4)
- return(layer.top);
- if (isMinIE4)
- return(layer.style.pixelTop);
- return(-1);
- }
-
- function getRight(layer) {
-
- if (isMinNS4)
- return(layer.left + getWidth(layer));
- if (isMinIE4)
- return(layer.style.pixelLeft + getWidth(layer));
- return(-1);
- }
-
- function getBottom(layer) {
-
- if (isMinNS4)
- return(layer.top + getHeight(layer));
- else if (isMinIE4)
- return(layer.style.pixelTop + getHeight(layer));
- return(-1);
- }
-
- function getPageLeft(layer) {
-
- if (isMinNS4)
- return(layer.pageX);
- if (isMinIE4)
- return(layer.offsetLeft);
- return(-1);
- }
-
- function getPageTop(layer) {
-
- if (isMinNS4)
- return(layer.pageY);
- if (isMinIE4)
- return(layer.offsetTop);
- return(-1);
- }
-
- function getWidth(layer) {
-
- if (isMinNS4) {
- if (layer.document.width)
- return(layer.document.width);
- else
- return(layer.clip.right - layer.clip.left);
- }
- if (isMinIE4) {
- if (layer.style.pixelWidth)
- return(layer.style.pixelWidth);
- else
- return(layer.clientWidth);
- }
- return(-1);
- }
-
- function getHeight(layer) {
-
- if (isMinNS4) {
- if (layer.document.height)
- return(layer.document.height);
- else
- return(layer.clip.bottom - layer.clip.top);
- }
- if (isMinIE4) {
- if (false && layer.style.pixelHeight)
- return(layer.style.pixelHeight);
- else
- return(layer.clientHeight);
- }
- return(-1);
- }
-
- function getzIndex(layer) {
-
- if (isMinNS4)
- return(layer.zIndex);
- if (isMinIE4)
- return(layer.style.zIndex);
-
- return(-1);
- }
-
- function setzIndex(layer, z) {
-
- if (isMinNS4)
- layer.zIndex = z;
- if (isMinIE4)
- layer.style.zIndex = z;
- }
-
-
- function clipLayer(layer, clipleft, cliptop, clipright, clipbottom) {
-
- if (isMinNS4) {
- layer.clip.left = clipleft;
- layer.clip.top = cliptop;
- layer.clip.right = clipright;
- layer.clip.bottom = clipbottom;
- }
- if (isMinIE4)
- layer.style.clip = 'rect(' + cliptop + ' ' + clipright + ' ' + clipbottom + ' ' + clipleft +')';
- }
-
- function getClipLeft(layer) {
-
- if (isMinNS4)
- return(layer.clip.left);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(0);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[3]);
- }
- return(-1);
- }
-
- function getClipTop(layer) {
-
- if (isMinNS4)
- return(layer.clip.top);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(0);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[0]);
- }
- return(-1);
- }
-
- function getClipRight(layer) {
-
- if (isMinNS4)
- return(layer.clip.right);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(layer.style.pixelWidth);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[1]);
- }
- return(-1);
- }
-
- function getClipBottom(layer) {
-
- if (isMinNS4)
- return(layer.clip.bottom);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(layer.style.pixelHeight);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[2]);
- }
- return(-1);
- }
-
- function getClipWidth(layer) {
-
- if (isMinNS4)
- return(layer.clip.width);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(layer.style.pixelWidth);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[1] - clip[3]);
- }
- return(-1);
- }
-
- function getClipHeight(layer) {
-
- if (isMinNS4)
- return(layer.clip.height);
- if (isMinIE4) {
- var str = layer.style.clip;
- if (!str)
- return(layer.style.pixelHeight);
- var clip = getIEClipValues(layer.style.clip);
- return(clip[2] - clip[0]);
- }
- return(-1);
- }
-
- function getIEClipValues(str) {
-
- var clip = new Array();
- var i;
-
- // Parse out the clipping values for IE layers.
-
- i = str.indexOf("(");
- clip[0] = parseInt(str.substring(i + 1, str.length), 10);
- i = str.indexOf(" ", i + 1);
- clip[1] = parseInt(str.substring(i + 1, str.length), 10);
- i = str.indexOf(" ", i + 1);
- clip[2] = parseInt(str.substring(i + 1, str.length), 10);
- i = str.indexOf(" ", i + 1);
- clip[3] = parseInt(str.substring(i + 1, str.length), 10);
- return(clip);
- }
-
- function scrollLayerTo(layer, x, y, bound) {
-
- var dx = getClipLeft(layer) - x;
- var dy = getClipTop(layer) - y;
-
- scrollLayerBy(layer, -dx, -dy, bound);
- }
-
- function scrollLayerBy(layer, dx, dy, bound) {
-
- var cl = getClipLeft(layer);
- var ct = getClipTop(layer);
- var cr = getClipRight(layer);
- var cb = getClipBottom(layer);
-
- if (bound) {
- if (cl + dx < 0)
-
- dx = -cl;
-
- else if (cr + dx > getWidth(layer))
- dx = getWidth(layer) - cr;
- if (ct + dy < 0)
-
- dy = -ct;
-
- else if (cb + dy > getHeight(layer))
- dy = getHeight(layer) - cb;
- }
-
- clipLayer(layer, cl + dx, ct + dy, cr + dx, cb + dy);
- moveLayerBy(layer, -dx, -dy);
- }
-
- function setBgColor(layer, color) {
-
- if (isMinNS4)
- layer.bgColor = color;
- if (isMinIE4)
- layer.style.backgroundColor = color;
- }
-
- function setBgImage(layer, src) {
-
- if (isMinNS4)
- layer.background.src = src;
- if (isMinIE4)
- layer.style.backgroundImage = "url(" + src + ")";
- }
-
-
- function getLayer(name) {
-
- if (isMinNS4)
- return findLayer(name, document);
- if (isMinIE4)
- return eval('document.all.' + name);
-
- return null;
- }
-
- function findLayer(name, doc) {
-
- var i, layer;
-
- for (i = 0; i < doc.layers.length; i++) {
- layer = doc.layers[i];
- if (layer.name == name)
- return layer;
- if (layer.document.layers.length > 0) {
- layer = findLayer(name, layer.document);
- if (layer != null)
- return layer;
- }
- }
-
- return null;
- }
-
-
-
- function getWindowWidth() {
-
- if (isMinNS4)
- return(window.innerWidth);
- if (isMinIE4)
- return(document.body.clientWidth);
- return(-1);
- }
-
- function getWindowHeight() {
-
- if (isMinNS4)
- return(window.innerHeight);
- if (isMinIE4)
- return(document.body.clientHeight);
- return(-1);
- }
-
- function getPageWidth() {
-
- if (isMinNS4)
- return(document.width);
- if (isMinIE4)
- return(document.body.scrollWidth);
- return(-1);
- }
-
- function getPageHeight() {
-
- if (isMinNS4)
- return(document.height);
- if (isMinIE4)
- return(document.body.scrollHeight);
- return(-1);
- }
-
- function getPageScrollX() {
-
- if (isMinNS4)
- return(window.pageXOffset);
- if (isMinIE4)
- return(document.body.scrollLeft);
- return(-1);
- }
-
- function getPageScrollY() {
-
- if (isMinNS4)
- return(window.pageYOffset);
- if (isMinIE4)
- return(document.body.scrollTop);
- return(-1);
- }
-