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This JavaScript creates a layer then moves it around the image. At each location, it writes comments about that location onto the layer.

Label: Describe for Image

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plan.gif

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<IMG src="plan.gif" width="500" height="400">
<SCRIPT>
//detecting browser to dynamically write appropriate DIVs/LAYERs
N=(navigator.appName.indexOf('Netscape')!=-1&&parseInt(navigator.appVersion)<5)
S=(navigator.appName.indexOf('Netscape')!=-1&&parseInt(navigator.appVersion)>4.9)
M=(navigator.appName.indexOf('Microsoft')!=-1)



Vis=new Array()
Vis[0]=(M||S) ? "hidden" : "hide"
Vis[1]=(M||S) ? "visible" : "show"

function GetDiv(divId,divY,divX,divW,divH,bCol,visb,zInd){
bkCol=(bCol!="")?((N)?" bgColor="+bCol:";background:"+bCol):""

Styl = (M||S) ? "<DIV" : "<LAYER"

if(M||S){
Styl+=" ID="+divId
Styl+=" style='position:absolute;top:"+divY+";left:"+divX+";width:"+divW+";height:"+divH+bkCol
Styl+=";visibility:"+Vis[visb]+";z-index:"+zInd
Styl+="'>"
}

if(N){
Styl+=" ID="+divId
Styl+=" top="+divY+" left="+divX+" width="+divW+" height="+divH+bkCol
Styl+=" visibility="+Vis[visb]+" z-index="+zInd
Styl+=">"
}
document.writeln(Styl)
}

function EndDiv(){
(M||S)? document.writeln("</DIV>"): document.writeln("</LAYER>")
}

function PutIt(ID,dX,dY){
if(N){
document.layers[ID].left=dX
document.layers[ID].top=dY
}
if(M){
document.all[ID].style.left=dX
document.all[ID].style.top=dY
}
if(S){
document.getElementById(ID).style.left=dX
document.getElementById(ID).style.top=dY
}
}

function ShowHide(ID,vs){
if(N){
document.layers[ID].visibility=Vis[vs]
}
if(M){
document.all[ID].style.visibility=Vis[vs]
}
if(S){
document.getElementById(ID).style.visibility=Vis[vs]
}
}

function Xof(ID){
if(N){
return document.layers[ID].left
}
if(M){
return document.all[ID].style.left
}
if(S){
return document.getElementById(ID).style.left
}
}

function Yof(ID){
if(N){
return document.layers[ID].top
}
if(M){
return document.all[ID].style.top
}
if(S){
return document.getElementById(ID).style.top
}
}



function Zind(ID,zz){
if(N){
document.layers[ID].zIndex=zz
}
if(M){
document.all[ID].style.zIndex=zz
}
if(S){
document.getElementById(ID).style.zIndex=zz
}
}

function ChangeCol(ID,colrx){
if(M)document.all[ID].style.background=colrx
if(N)document.layers[ID].bgColor=colrx
if(S)document.getElementById(ID).style.background=colrx
}

function DivWrite(IdName,Str) {
if (N){
document.layers[IdName].document.write(Str)
document.layers[IdName].document.close()
}
if(M) document.all[IdName].innerHTML=Str
if(S) document.getElementById(IdName).innerHTML=Str
}
</SCRIPT>

<SCRIPT>
//The laydiv.js has all the layer/div/dhtml functions to create cross browser 
//layers/divs and manipulate them




Room=new Array("Hall","Lounge","Kitchen","Master","Bath")
LocX=new Array(155,30,50,210,190)
LocY=new Array(40,80,250,100,250)
Says=new Array(
"The hall is very long",
"This lounge room is suitable for small guests only",
"The kitchen is excellent for Swedish chefs",
"The master bedroom is very nice!",
"The bathroom needs a little fixing!"
)

for(x=0;x<Room.length;x++){
GetDiv(Room[x],LocY[x],LocX[x],50,15,'',1,1)
document.write(Room[x])
EndDiv()
}




GetDiv("Guide",200,400,100,50,"cyan",1,1)
document.write("<h1>Welcome to Kien's Plan!</h1>")
EndDiv()

n=0
function GuideNow(){
PutIt("Guide",LocX[n],LocY[n])
DivWrite("Guide","<center><b>"+Says[n]+"</b></center>")
n++
if(n==Room.length)n=0
}

document.onload=setInterval("GuideNow()",2000)

</SCRIPT>
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