spotlight doesn't work in firefox and chrome... - <html>
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<head>
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<title>Your title here</title>
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<style type="text/css">
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<!--
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#content{
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position:absolute;top:0px;left:0px;text-align:center;
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layer-background-color:#ffffff;background:#ffffff;
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visibility:hide;visibility:hidden
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}
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#light{
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position:absolute;top:-130px;left:0px;z-index:500
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}
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</style>
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<script language="JavaScript">
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pre=new Image();
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pre.src="spotlight3.png";
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n4=(document.layers)?1:0;
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ie=(document.all)?1:0;
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d='document.';
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a=(n4)?'':'all.';
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s=(n4)?'':'.style';
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var y,x,c,l,h,w;
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enough=0;
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(n4)?window.captureEvents(Event.MOUSEMOVE):0;
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function Mouse(evnt){
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if (enough==0){
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y=(n4)?evnt.pageY-pre.height/2:document.body.scrollTop+event.y-pre.height/2;
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x=(n4)?evnt.pageX-pre.width/2:document.body.scrollLeft+event.x-pre.width/2;
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searchlight();
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}
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}
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(n4)?window.onMouseMove=Mouse:document.onmousemove=Mouse;
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function searchlight(){
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c=eval(d+a+"content"+s);
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l=(n4)?eval(d+a+"content"+s+"."+d+a+"light"+s):eval(d+a+"light"+s);
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l.top=y;
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l.left=x;
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if (n4){
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c.clip.top=y;
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c.clip.right=l.left+pre.width;
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c.clip.bottom=l.top+pre.height;
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c.clip.left=x;
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}
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else c.clip="rect("+y+","+(x+pre.width)+","+(y+pre.height)+","+x+")";
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h=(n4)?window.innerHeight:document.body.clientHeight;
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w=(n4)?window.innerWidth:document.body.clientWidth;
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c.visibility=(n4)?"show":"visible";
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c.height=h;
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c.width=w;
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}
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function reveal(){
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l.visibility=(n4)?'hide':'hidden';
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if (ie)document.body.style.cssText="overflow-x:hidden;overflow-y:scroll";
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document.bgColor=(n4)?c.bgColor:c.background;
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enough=1;
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update();
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}
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function update(){
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if (n4){
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c.clip.top=0;c.clip.right=window.innerWidth;c.clip.bottom=window.innerHeight+window.pageYOffset;c.clip.left=0;
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}
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else
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c.clip="rect(0,"+document.body.clientWidth+","+(document.body.clientHeight+document.body.scrollTop)+",0)";
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setTimeout('update()',10);
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}
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document.write("</head><body bgcolor='#000000'><div id='content'>");
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//The image map is not necessary but it stops the dotted link line in IE!
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document.write("<div id='light'><img src="+pre.src+" useMap='#pic' border='0'>"
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+"<map name='pic'><area shape=CIRCLE coords=65,65,63 href='javascript:reveal()'></map></div>");
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if (ie) document.body.style.cssText="overflow-x:hidden;overflow-y:hidden";
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//-->
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</script>
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<p><font size="4">This is the spotlight effect. Use it on "special"
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pages, preferably containing only plain text and images. Do not use on complex
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pages.</font></p>
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<p><font size="4">Click anywhere on the page to turn the lights on!</font></p>
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<p><font size="4">This is the spotlight effect. Use it on "special"
-
pages, preferably containing only plain text and images. Do not use on complex
-
pages.</font></p>
-
<p><font size="4">Click anywhere on the page to turn the lights on!</font></p>
-
<p><font size="4">This is the spotlight effect. Use it on "special"
-
pages, preferably containing only plain text and images. Do not use on complex
-
pages.</font></p>
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<p><font size="4">Click anywhere on the page to turn the lights on!</font></p>
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<p> </p>
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<p align="center"><img src="http://bytes.com/hallo.gif"></p>
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<script language="JavaScript">
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<!--
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document.write("</div></body></html>");
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if (n4||ie)window.onresize=new Function("window.location.reload()");
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//-->
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</script>
1  1924 
The reason is that you're using very old code which was written for browsers that were first used over 10 years ago.
For starters, this code - n4=(document.layers)?1:0;
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ie=(document.all)?1:0;
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d='document.';
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a=(n4)?'':'all.';
should simply be document.getElementById(...)
I would suggest a rewrite or, if that's not possible, try to bring it up to modern standards by looking at cross-browser code.
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