-- stack: in
-- format: 8 (HyperCard 1)
-- flags: 0x1000 (none)
-- protect password hash: 0
-- maximum user level: 5 (scripting)
-- window: Rect(x1=0, y1=0, x2=0, y2=0)
-- screen: Rect(x1=0, y1=0, x2=0, y2=0)
-- card dimensions: w=0 h=0
-- scroll: x=0 y=0
-- background count: 56
-- first background id: 2631
-- card count: 174
-- first card id: 28227
-- list block id: 54520
-- print block id: 3382
-- font table block id: 0
-- style table block id: 0
-- free block count: 0
-- free size: 0 bytes
-- total size: 640704 bytes
-- stack block size: 25600 bytes
-- created by hypercard version: 0x01228000
-- compacted by hypercard version: 0x01228000
-- modified by hypercard version: 0x01228000
-- opened by hypercard version: 0x01228000
-- patterns[0]: 0x0000000000000000
-- patterns[1]: 0x8000000008000000
-- patterns[2]: 0x8800220088002200
-- patterns[3]: 0x8888222288882222
-- patterns[4]: 0x88AA22AA88AA22AA
-- patterns[5]: 0xCCAA33AACCAA33AA
-- patterns[6]: 0xEEAABBAAEEAABBAA
-- patterns[7]: 0xEEBBBBEEEEBBBBEE
-- patterns[8]: 0xFFBBFFEEFFBBFFEE
-- patterns[9]: 0xFFBBFFFFFFBBFFFF
-- patterns[10]: 0x8010022001084004
-- patterns[11]: 0xFFFFFFFFFFFFFFFF
-- patterns[12]: 0x8822882288228822
-- patterns[13]: 0x1122448811224488
-- patterns[14]: 0xC4800C6843023026
-- patterns[15]: 0xB130031BD8C00C8D
-- patterns[16]: 0xAA00AA00AA00AA00
-- patterns[17]: 0x8822552288225522
-- patterns[18]: 0x8855225588552255
-- patterns[19]: 0x77DD77DD77DD77DD
-- patterns[20]: 0x8000000000000000
-- patterns[21]: 0xAA55AA55AA55AA55
-- patterns[22]: 0x038448300C020101
-- patterns[23]: 0x8244394482010101
-- patterns[24]: 0x8814224188412214
-- patterns[25]: 0x8080413E080814E3
-- patterns[26]: 0x22048C7422179810
-- patterns[27]: 0xBE808808EB088880
-- patterns[28]: 0x25C8328964244C92
-- patterns[29]: 0xA29C41BE2AC914EB
-- patterns[30]: 0x40A00000040A0000
-- patterns[31]: 0x8040200002040800
-- patterns[32]: 0xAA00800088008000
-- patterns[33]: 0xFF80808080808080
-- patterns[34]: 0x081C22C180010204
-- patterns[35]: 0xFF808080FF080808
-- patterns[36]: 0xF87422478F172271
-- patterns[37]: 0xBF00BFBFB0B0B0B0
-- patterns[38]: 0xFF7FBE5DA2418000
-- patterns[39]: 0xFAF5FAF5A050A050
-- checksum: 0x0
----- HyperTalk script -----
---------------------------------------------------------------------
--                    “Network & Communications”
--                   “Apple LAN Literacy Course”
--                  © 1989 Apple Computer, Inc. &
--                     © 1989 Courseware, Inc. &
--                        © 1989 HyperPro, Inc.
--
--                          Version 1.0f5
----------------------------------------------------------------------
-- Stack: Literacy Segments Part 1
--
-- HANDLERS: openstack,findSetUp,openBackground,Lesson,InstantReference,
--           goItem,beenHereFlag,SSpopUp,doSS,checkBookmark,
--           askBookmark,Help,MainMenu,SSQuit,doMenu,Map,Scrapbook,
--           Index,Glossary,Note,BookMark,SnapShot,saveMyPlace,
--           saveIdentifier,goBackWhere,popBack,popWhere,Search,
--           returnKey,enterKey,searchForIt,SwitchStack
-- FUNCTIONS: whereAmI,validField
-- RESOURCES:
-- ICON: Student Services,GrayPrev,Help,Prev Card,Lg #2,Lg #3,
--       Lg #1 Outline,Lg #2 Outline,Lg #3 Outline,Lg #1,#1,#2,
--       #1 Outline,#2 Outline,GrayNext,Next Card,Grey Up Arrow,
--       Up Arrow,Modem,Telephone,Computer w/backdrop,Satelite Dish,
--       Telephone Lines,Computer Cable,String,Tin Cans,Cable,
--       Computer,Printer,To Menus,Lg #4,Lg #4 Outline,#3,#4,#5,
--       #3 Outline,#4 Outline,#5 Outline
-- XFCN: kPopUp
-- vers:
-- DITL: Answer
-- FONT: Garamond
--
----------------------------------------------------------------------
--
-- By Apple Computer, Inc., Courseware, Inc. & HyperPro, Inc.
--
----------------------------------------------------------------------

on openstack
  global setupOk

  get the version
  if it < 1.2 then
    answer "This stack requires HyperCard v1.2.2 or later."
    go back
    exit to HyperCard
  end if

  if setupOk is empty then findSetup -- otherwise it's true, continue

  global gSystemFile,useSS,mapTracker
  if useSS then
    open file gSystemFile
    read from file gSystemFile for 16384
    put line 1 to 3 of it into theContents
    close file gSystemFile
    put mapTracker into line 4 of theContents --*!*
    open file gSystemfile
    write theContents to file gSystemFile
    close file gSystemFile
  end if
  hide menubar
  hide msg
end openStack

on findSetUp

  set lockmessages to true
  set cursor to watch
  go stack "Literacy Course"
  if the result is "cancel" then
    answer "Unable to continue.  “Literacy Course” not found."
    domenu Quit Hypercard
    exit to Hypercard -- exit calling handlers
  else -- found course setup card
    set lockmessages to false
    send openstack to this stack -- the setup stack
    exit to HyperCard
  end if
end findSetUp

on openBackground
  global mapTracker
  get char 1 to 5 of the short name of this bg
  if it is not in mapTracker then
    put it & "," after mapTracker
  end if
  pass openBackground
end openBackground

on Lesson
  lock screen
  set cursor to watch
  put char 1 to 5 of the short name of this bg into segNum
  go "Literacy Main Menu"
  get script of bg btn "Card Key"
  put offset(segNum,it) into temp
  put line (number of lines in char 1 to temp of it) of it into theCard
  delete char 1 to 6 of theCard
  go cd theCard
  unlock screen with visual zoom open
end Lesson

on InstantReference segNum
  lock screen
  get the clickloc
  put item 1 of it into x
  put item 2 of it into y

  put left of the target + width of the target - x into x1
  put y - top of the target into y1

  put x - item 1 of the loc of the target into x2
  put y - item 2 of the loc of the target into y2

  subtract left of the target from x
  subtract top of the target from y

  if SQRT(x2*x2 + y2*y2) > 27 then exit InstantReference

  if x1 < y1
  then
  if x < y
  then
  go cd 1 of bg (segNum && "Practice")
else
  go cd 1 of bg (segNum && "Example")
end if
else
  if x < y
  then
  go cd 1 of bg (segNum && "Information")
else
  go cd 1 of bg (segNum && "Content")
end if
end if
unlock screen
end InstantReference

on goItem
  put last char of the short name of the target into temp
  put "#" & temp into btnNumb -- btn names are #1, #2, etc
  put "422" & temp into iconNumb -- or "424" for large numbers
  set the icon of btn btnNumb to iconNumb
  go cd temp + the number of this cd
end goItem

on beenHereFlag itemNum,lineNum
  global btnStatus

  -- if line (other than first) of var is empty, then placement of data
  -- in particular "item" doesn't work due to HyperCard 1.2.2 bug. So if
  -- line empty, string "dummy" goes in, data placed, & string pulled.

  if line lineNum of btnStatus is empty
  then put "dummy" into line lineNum of btnStatus
  put "true" into item itemNum of line lineNum of btnStatus
  if item 1 of line lineNum of btnStatus = "dummy"
  then put empty into item 1 of line lineNum of btnStatus
end beenHereFlag

-----------------Here are the StudentServices scripts ------------------
-- version 1.0f4

on SSpopUp
  global useSS,course

  set hilite of the target to true
  get kPopUp("init",999) -- creates menu in memory

  -- "(" is meta character for disable item.
  if useSS then
    get the short name of this stack
    if (it contains "scrapbooK") or (it contains "snapshot") then
      put "MainMenu;" & "(" & "BookMark…;" & "(" & "Note…;" & "(" & "SnapShot…;Index;Scrapbook;" & "Search…;Map;Glossary;Quit…" into choice
    else
      put "MainMenu;BookMark…;Note…;SnapShot…;Index;Scrapbook;" & "Search…;Map;Glossary;Quit…" into choice
    end if
  else
    put "MainMenu;" & "(" & "BookMark…;" & "(" & "Note…;" & "(" & "SnapShot…;" & "(" & "Index;" & "(" & "Scrapbook;" & "Search…;Map;Glossary;Quit…" into choice
  end if

  if not course then -- needed for scrapbook & snaps scripts only
    put "(" & "MainMenu;" & "(" & "BookMark…;" & "(" & "Note…;" & "(" & "SnapShot…;Index;Scrapbook;" & "Search…;" & "(" & "Map;Glossary;Quit…" into choice
  end if

  get kPopUp("append",999,choice) -- 999 is reference #

  -- popup menu doesn't show yet
  get kPopUp("pop",999,1,bottom of the target,left of the target + 1)
  -- pop returns ID number of menu, number of item selected
  set cursor to watch

  put kPopUp("GetItem",item 1 of it,item 2 of it) into command
  -- returns text of item

  get kPopUp("toss",999) -- remove menu from memory

  set hilite of the target to false
  if last char of command is "…" then delete last char of command
  -- Don't use "quit" -- potential conflicts with home scripts
  if command = "quit" then put SSQuit into command
  checkBookmark command
  if command ≠ "no such menu" then
    do command
  end if
end SSpopUp

on doSS
  global scrapFile

  if the short name of this stack contains "scrapbook" then
    send doSS to bg 1 -- script is there, shortcut heirarchy
    exit to HyperCard
  end if
  lock screen
  push card
  set lockmessages to true
  set cursor to watch
  go stack scrapFile
  if the result is "cancel" then popBack
  -- call with Literacy, ANP, or Administration from courses *!*
  -- call with "scrapbook" from snapshots or scrapbook *!*
  put SSDialog("Literacy") into command --*!*
  pop card
  unlock screen
  set lockmessages to false
  checkBookmark command
  -- Don't use "quit" -- potential conflicts with home scripts
  if command = "quit" then put SSQuit into command
  if command = "Cancel" then exit doSS
  else do command
end doSS

on checkBookmark command
  global useSS

  if whereAmI() then exit checkBookMark
  if not useSS then exit checkBookMark
  if command = "MainMenu" or command = "Index" or command = "Scrapbook" or command = "Map" or command = "Glossary" then askBookmark command
end checkBookmark

on askBookmark command
  global bookmarkPref

  if bookmarkPref then
    answer "Create Bookmark before going to" && command & "?" with "Cancel" or "Just go" or "Bookmark"
  else
    answer "Create Bookmark before going to" && command & "?" with "Cancel" or "Bookmark" or "Just go"
  end if
  if it is "Cancel" then exit to HyperCard
  if it is "just go" then put false into bookmarkPref
  if it is "Bookmark" then
    put true into bookmarkPref
    bookmark
  end if
end askBookmark

on Help
  global course

  if not course then
    answer "Help is not available without the course."
    exit help
  end if
  lock screen
  saveMyPlace
  set cursor to watch
  go stack "N&C Help"
  if the result is "cancel" then goBackWhere -- exits
  hide cd pict
  unlock screen with visual dissolve
  wait 30
  show cd pict
end Help

on MainMenu
  lock screen
  set LockMessages to true
  set cursor to watch
  go stack "Literacy Main Menu" -- or Literacy or Administration *!*
  if the result is "cancel" then exit to Hypercard

  -- Literacy doesn't do this.
  if the short name of this stack is "ANP Main Menu" then
    repeat with k = the number of cds down to 1
      go cd k
      opencard
    end repeat
  end if

  set lockMessages to false
  unlock screen with visual dissolve
end MainMenu

on SSQuit
  global gSystemFile,useSS,mapTracker,menuHilites,course
  global bookmarkPref,wherewecamefrom,OKtoQuit,scrapFile

  put whereAmI() into fromScrapbook --*!* use false in peripherals
  if not useSS then put true into fromScrapbook -- no bookmarks
  if fromScrapbook then
    answer "Do you want to quit the course?" with "Cancel" or "Yes, quit"
    if it is "Cancel" then
      exit to Hypercard
    end if
  else
    if bookmarkPref then
      answer "Create Bookmark & quit this course?" with "Cancel" or "Just quit" or "OK"
    else
      answer "Create Bookmark & quit this course?" with "Cancel" or "OK" or "Just quit"
    end if
    if it is "Cancel" then exit to hypercard
    if it is "OK" then bookmark
  end if
  if not fromscrapbook then saveMyPlace
  if useSS and course then
    open file gSystemFile
    read from file gSystemFile for 16384
    put line 1 to 2 of it into theContents
    close file gSystemFile
    put wherewecamefrom into line 3 of theContents
    put mapTracker into line 4 of theContents
    open file gSystemfile
    write theContents to file gSystemFile
    close file gSystemFile

    lock screen
    go stack scrapFile
    put theContents into cd fld "hidden name"
  end if
  put true into OKtoQuit
  domenu "Quit Hypercard"
  exit to hypercard
end SSquit

on doMenu var
  global OKtoQuit

  if OKtoQuit is empty then put false into OKtoQuit
  if var = "Find..." then search --*!* not in peripherals
  else if var = "Quit HyperCard" and OKtoQuit is false then ssQuit
  else if var = "Quit HyperCard" and OKtoQuit then pass doMenu
  else pass doMenu
end doMenu

on Map
  global gSystemFile

  put whereAmI() into fromScrapbook
  if gSystemFile contains "ANP" then put true into ANPCourse
  else put false into ANPCourse
  saveMyPlace
  lock screen

  if ANPCourse then
    put char 1 to 5 of short name of this stack into temp
  else
    put char 1 to 5 of the short name of this bg into temp
  end if

  set cursor to watch
  go stack "Literacy Map" -- or Literacy or Administration *!*
  if the result is "cancel" then goBackWhere -- exits

  if fromScrapbook then
    unlock screen with visual dissolve
    exit map
  end if

  if not ANPCourse then -- Literacy map
    set icon of bg btn temp to 1201
    put temp into num
    put "0" into last char of temp   -- calc number for current lesson
    put script of bg btn "lesson key" into theList
    -- "Lesson Key" holds # of first cd where lesson appears
    put offset(temp,theList) into theLine
    put word 2 of line (number of lines in char 1 to theLine of theList) of theList into theCard
    go cd theCard
    show cd fld "instruction"
    put num into hiliter
  else -- ANP map
    click at the loc of bg btn temp
    put "Go" && temp into hiliter
  end if

  unlock screen with visual dissolve
  repeat 3
    set the hilite of btn hiliter to true
    wait 20
    set the hilite of btn hiliter to false
    wait 20
  end repeat
end Map

on Scrapbook
  global scrapFile,whereWeCameFrom

  put whereAmI() into fromScrapbook
  saveMyPlace
  set cursor to watch
  lock screen
  go cd 1 of stack scrapFile
  if the result is "cancel" then goBackWhere -- exits
  if fromScrapbook then delete last item of wherewecameFrom
  send openbackground to this cd
  unlock screen with visual dissolve
end Scrapbook

on Index
  global scrapFile,whereWeCameFrom

  put whereAmI() into fromScrapbook
  saveMyPlace
  lock screen
  set cursor to watch
  go cd "Index" of stack scrapFile
  if the result is "cancel" then goBackWhere -- exits
  if fromScrapbook then delete last item of whereWeCameFrom
  send openbackground to this cd
  unlock screen with visual dissolve
end Index

on Glossary
  global scrapFile,whereWeCameFrom

  put whereAmI() into fromScrapbook
  saveMyPlace
  lock screen
  set cursor to watch
  go cd "Glossary" of stack scrapFile
  if the result is "cancel" then goBackWhere -- exits
  if fromScrapbook then delete last item of whereWeCameFrom
  send openbackground to this cd
  unlock screen with visual dissolve
end Glossary

-- note isn't available from Student Scrapbook
on Note
  global scrapFile

  saveIdentifier
  put false into madeNote
  push cd
  set cursor to watch
  lock screen
  set lockMessages to true
  go cd "index" of stack scrapFile
  if the result is "cancel" then popBack -- exits
  put makeNote() into myResult
  if myResult is "successful" then put true into madeNote
  pop cd
  set lockmessages to false
  if madeNote then unlock screen with iris open to black
  else unlock screen
  if myResult is "SS" then doSS
end Note

-- Bookmark isn't available from Student Scrapbook.
on BookMark
  global scrapFile

  saveIdentifier
  saveMyPlace
  put false into madeBookMark
  push cd
  set cursor to watch
  lock screen
  set lockMessages to true
  go cd "index" of stack scrapFile
  if the result is "cancel" then popWhere -- exits
  put makeBookMark() into myResult
  if myResult is "successful" then put true into madeBookMark
  pop cd
  set lockmessages to false
  if madeBookMark then unlock screen with iris open to black
  else unlock screen
  if myResult is "SS" then doSS
end bookMark

-- Snapshot isn't available from the Student Scrapbook.
on SnapShot
  global scrapFile

  saveMyPlace
  saveIdentifier
  put false into madeSnapShot
  push cd
  set cursor to watch
  lock screen
  unlock screen -- for refresh, since we're taking a picture of it
  lock screen
  set lockMessages to true
  go cd "index" of stack scrapFile
  if the result is "cancel" then popWhere -- exits
  put makeSnapShot() into myResult
  if myResult is "successful" then put true into madeSnapShot
  pop cd
  set lockmessages to false
  if madeSnapShot then unlock screen with iris open to black
  else unlock screen
  if myResult is "SS" then doSS
end SnapShot

function whereAmI
get the short name of this stack
if it contains "scrapbook" or it contains "snapshot" then
  return true
else
  return false
end if
end whereAmI

on saveMyPlace
  global whereWeCameFrom

  put the id of this cd && "of stack" && quote & the short name of this stack & quote into thisPlace
  if not (last item of whereWeCameFrom = thisPlace) then
    put thisPlace into item (number of items in whereWeCameFrom) + 1 of whereWeCameFrom
  end if
end saveMyPlace

on saveIdentifier
  global identifier

  put the short name of this cd into identifier
end saveIdentifier

on goBackWhere
  global wherewecamefrom

  set cursor to watch
  go last item of whereWeCameFrom
  delete last item of whereWeCameFrom
  set lockMessages to false
  exit to Hypercard
end goBackWhere

on popBack
  pop card
  set lockMessages to false
  exit to hypercard
end popBack

on popWhere
  global whereWeCameFrom

  pop card
  delete last item of whereWeCameFrom
  set lockMessages to false
  exit to Hypercard
end popWhere

-----------------  Search script handlers…
--
-- Search script hunts for string through multiple stacks.
-- Each stack must have the handlers in it for this to work.
-- Modified from TIE search script which was written by Garth
-- Catterall and Ken Laws.  Leslie Grimm

on Search
  global gfindWhat,gfindHow,gFindWhere,gWhichStack,gFirstStack, gFindFlag,gFirstCard,gFindCount,gFirstChunk,gStartCard,gLastCard, gNumStacks,gNextStack
  global scrapFile

  push card
  lock screen
  set lockmessages to true
  set cursor to watch
  put whereAmI() into fromScrapbook
  go stack scrapFile
  if the result is "cancel" then
    pop card into trash -- clean up stack
    exit to Hypercard
  end if
  -- get gfindWhat,gfindWhere,gfindHow & gNextStack
  put searchDialog(fromScrapbook) into myResult

  if myResult is "SS" then
    pop card
    set lockmessages to false
    unlock screen
    doSS
    exit search
  end if

  if myResult is "Cancel" then
    pop card
    set lockmessages to false
    unlock screen
    exit search
  end if

  if myResult is "Bookmark" then
    pop card
    set lockmessages to false
    bookmark
    push card
    -- then continue search
  end if

  put empty into gFirstChunk -- reset variables
  put empty into gFirstCard
  put the visible of the msg into visiMsg
  put empty into msg -- so return/enter will work.  See below.
  set the visible of the msg to visimsg
  put 0 into gFindCount
  put 1 into gWhichStack
  put true into gFindFlag -- search is valid

  pop card
  push card -- so we can come back later
  unlock screen -- screen refresh
  lock screen
  put the number of this cd into gStartCard
  if not fromScrapbook then saveMyPlace -- to get back from glossary
  put the short name of this stack into gFirstStack

  -- initialize index for searching through multiple stacks
  put the number of items in gNextStack into gNumstacks
  put false into inList
  repeat with i = 1 to gNumStacks
    if (item i of gNextStack contains gFirstStack) then
      put i into gWhichStack
      put true into inList
      exit repeat
    end if
  end repeat
  if not inList then
    put 1 into gWhichStack
    put item 1 of gNextStack into gFirstStack
    set lockmessages to true
    go stack gFirstStack
    put 1 into gStartCard
  end if

  searchForIt

end Search

on returnKey
  global gFindWhat,gFindFlag,gNextStack

  if (gFindWhat ≠ empty) and (gFindFlag = true) and (the msg is empty) then
    searchForIt
  else
    -- ** put empty into gNextStack -- clear possibly big variable
    pass returnKey
  end if
end returnKey

on enterKey
  global gFindWhat,gFindFlag,gNextStack

  if (gFindWhat ≠ empty) and (gFindFlag = true) and (the msg is empty) then
    searchForIt
  else
    --** put empty into gNextStack -- clear possibly big variable
    pass enterKey
  end if
end enterKey

on searchForIt
  global gFindWhat,gFindHow,gFindWhere,gWhichStack,gNumStacks, gStartCard,gFindFlag,gFirstCard,gFindCount,gFirstChunk,gLastCard

  set cursor to busy
  --** lock screen
  put the number of this cd into gLastCard

  set lockmessages to true
  repeat
    set cursor to busy
    if gFindHow = "Exact String" then find string gFindWhat
    else if gFindHow = "First Characters" then find gFindWhat
    else if gFindHow = "Whole Word(s)" then find whole gFindWhat

    put the FoundChunk into holder -- eg char 1 to 6 of cd fld 4
    put the short name of the FoundField into checker

    if holder is empty then  -- not found anywhere in the stack
      -- if we were only looking in one stack, then leave
      if gNumstacks = 1 then
        pop card -- go back where we started
        answer "Couldn’t find “" & gFindWhat & ".”"
        put false into gFindFlag
        set lockmessages to false
        exit searchForIt
      else
        SwitchStack
        next repeat
      end if
    end if

    if gFirstChunk is empty then  -- set our references
      put holder into gFirstChunk -- eg char 1 to 6 of cd fld 4
      put the number of this cd into gFirstCard
    else
      -- is this where we started the search?
      if (holder = gFirstChunk) and (the number of this card = gFirstCard) then
        if gNumStacks > 1 then
          SwitchStack
          next repeat
        end if
        if gFindCount = 0 then
          pop card
          answer "“" & gFindWhat & "” not found."
          put false into gFindFlag
          put empty into gNextStack -- free the memory
          set lockmessages to false
          exit searchForIt
        else
          answer "No more occurrences of “" & gFindWhat & "” were found."
          if gStartCard ≠ (the number of this cd) or gLastCard ≠ (the number of this cd) then
            answer "Stay here or go back to beginning card?" with "Stay" or "Go back"
            if it is "go back" then pop card
            else
              pop cd into throwaway -- clean up our poo-poo
              if the short name of this bg is "glossary" or the short name of this bg is "snapshots" then
                -- update return arrow and tabs
                send openbackground to this background
              end if
            end if
          end if
        end if
        put false into gFindFlag
        set lockmessages to false
        exit searchForIt
      end if
    end if

    -- We do the check for valid fields after setting firstCard
    -- so that we know where the first found item was, even though
    -- it might not be visible.
    if the short name of this cd is "glossary" then
      if gFindWhere contains "glossary" then
        send openbackground to bg "glossary" -- to mask tabs if needed
        add 1 to gFindCount
        send glossFind to bg "glossary"
        exit searchforit
      else
        next repeat -- skip
      end if
    end if

    if the visible of the FoundField is false then next repeat
    if not validField(checker) then next repeat

    add 1 to gFindCount
    exit repeat
  end repeat
end searchForIt

-- Test whether the field in which the text was found is a valid one.
function validField fieldName
global gfindWhere

-- do a quick repeat to ensure it's a field we want to find in
-- Note that this is slower, but more definitive than a "contains"
-- This defines the fields that we don't want to find in...

if the short name of this stack contains "Scrapbook" then
  put "Title,Lines,List holder,MyName,Identifier,Date/Time," & "instruction,comment,the word,definition" into badFields
  -- don't search notes if this is a glossary-only search
  if not (gfindWhere contains "scrapbook") then
    put ",list,Note" after badFields -- skip note cards
  end if
else
  -- it's a course or snapshot
  put "StackName,Instruction,instruction2," & "Indicator,Title" into badFields
end if

repeat with i = 1 to number of items in badFields
  if fieldName = item i of badFields then
    return false
  end if
end repeat

return true
end validField

on SwitchStack
  global gFindWhat,gFindHow,gFindWhere,gWhichStack,gFirstStack, gStartCard,gFindFlag,gFirstCard,gFindCount,gFirstChunk,gNextStack

  set cursor to busy

  if gWhichStack < (the number of items in gNextStack) then
    add 1 to gWhichStack
  else
    put 1 into gWhichStack
  end if
  if (item gWhichStack of gNextStack) contains gFirstStack then
    if gFindCount = 0 then
      pop card -- back to start
      answer "“" & gFindWhat & "” not found."
      put false into gFindFlag
      put empty into gNextStack -- free the memory
      set lockmessages to false
      exit to HyperCard
    else
      answer "No more occurrences of “" & gFindWhat & "” were found."
    end if
    if gFindCount > 0 then
      answer "Stay here or go back to beginning card?" with "Stay" or "Go back"
      if it is "go back" then
        set lockmessages to true
        pop card -- to return from whence we came...
        set lockmessages to false
        unlock screen with visual iris close
      else
        pop card into trash -- clean up
        if the short name of this bg is "glossary" or the short name of this bg is "snapshots" then
          -- update return arrow and tabs
          send openbackground to this background
        end if
      end if
      put false into gFindFlag
      exit to hypercard
    end if
  else -- go look in next stack
    set lockmessages to true
    set lockmessages to true
    go stack (item gWhichStack of gNextStack)
    set lockmessages to false
    unlock screen with visual wipe left
    lock screen
    put empty into gFirstChunk -- resets "gone once around stack" var.
  end if
end SwitchStack

--------------- End of stuff to copy to all course stacks -----------