<script language="JavaScript">
<!-- Script by kurt.grigg@virgin.net // modified by N8i (www.nightfire.ch)

//Browser Sniffer
var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var mozup = (!document.all && document.getElementById) ? 1 : 0;

Clrs=new Array('ff0000','00ff00','ffffff','ff00ff','ffa500','ffff00','00ff00','ffffff','ff00ff')
yBase=0;
xBase=0;
step=3;
currStep=0;
Ypos=0;
Xpos=0;

function handlerMM(e) {
Xpos = (ns4up || mozup) ? e.pageX : document.body.scrollLeft+event.clientX
Ypos = (ns4up || mozup) ? e.pageY : document.body.scrollTop+event.clientY
}

if (ns4up){
for (i=0; i < 14; i++)
document.write('<LAYER NAME="n'+i+'" LEFT=0 TOP=0 CLIP="0,0,'+i/4+','+i/4+'"></LAYER>');
window.captureEvents(Event.MOUSEMOVE);
window.onMouseMove = handlerMM;
}
if (ie4up){
document.write('<div style="position:absolute;top:0;left:0"><div style="position:relative">');
for (i=0; i < 14; i++)
{document.write('<div id="me" style="position:absolute;top:0;left:0;width:'+i/4+';height:'+i/4+';font-size:'+i/4+'"></div>')}
document.write('</div></div>');
document.onmousemove = handlerMM;
}
if (mozup){
document.write('<div style="position:absolute;top:0;left:0"><div style="position:relative">');
for (i=0; i < 14; i++)
{document.write('<div id="me'+i+'" style="position:absolute;top:0;left:0;width:'+i/4+';height:'+i/4+';font-size:'+i/4+'"></div>')}
document.write('</div></div>');
document.onmousemove = handlerMM;
}

function Comet(){
var yBase=(ns4up || mozup)?window.innerHeight/4:window.document.body.clientHeight/4;
var xBase=(ns4up || mozup)?window.innerWidth/4:window.document.body.clientWidth/4;
for (i=0; i < 14; i++){
var randCol=Math.round(Math.random()*8);
if (ns4up) var layer = document.layers['n'+i];
if (ie4up) var layer = me[i].style;
if (mozup) var layer = document.getElementById("me"+i).style;

layer.top =Ypos + yBase*Math.cos((currStep+i*4)/12)*Math.cos(0.7+currStep/200);
layer.left=Xpos + xBase*Math.sin((currStep+i*3)/10)*Math.sin(8.2+currStep/400);
if (ns4up) layer.bgColor=Clrs[randCol];
else layer.backgroundColor=Clrs[randCol];
}
currStep+=step;
setTimeout("Comet()",10);
}

window.onload=Comet;
// -->
</script>

Kurt Grigg
modified by N8i (www.nightfire.ch)

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