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Sprinkle your webpage with colorful fireworks, with this decorative DHTML script! This version differs from the original in the way the fireworks is rendered. Whichever one you choose to adopt, the end effect is simply dynamite!

Label: Document fireworks II script

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<script language="JavaScript1.2">
/*
Document firework script (By Kurt Gregg, kurt.grigg@virgin.net)
Modified/ perm. granted to Dynamic Drive to feature script in archive
For full source and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

var ns=document.layers?1:0
var ie4=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0
amount=14;
if (ns){
for (i=0; i < amount; i++)
document.write("<LAYER NAME='nsstars"+i+"' LEFT=0 TOP=0 BGCOLOR='#FFFFF0' CLIP='0,0,1,1'></LAYER>");
}
else if (ie4||ns6){
document.write("<div id='ieCov' style='position:absolute;top:0px;left:0px'>");
document.write("<div style='position:relative'>");
for (i=0; i < amount; i++)
document.write("<div id='iestars"+i+"' style='position:absolute;top:0px;left:0px;width:1;height:1;background:#ffffff;font-size:1;z-index:10'></div>");
document.write("</div></div>");
}
Clrs=new Array('ff0000','00ff00','ffffff','ff00ff','ffa500','ffff00','00ff00','ffffff','ff00ff')
sClrs=new Array('ffa500','00ff00','FFAAFF','fff000','fffffF')
Xpos=300;
Ypos=150;
initialStarColor='00ff00';
step=5;
currStep=0;
explosionSize=120;
function Fireworks(){
var WinHeight=(ns||ns6)?window.innerHeight-100:window.document.body.clientHeight-100;
var WinWidth=(ns||ns6)?window.innerWidth-100:window.document.body.clientWidth-100;
var Yscroll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;
for (i=0; i < amount; i++){
if (ie4||ns6)
var layer=ns6?document.getElementById("iestars"+i).style : eval("iestars"+i).style;
else if (ns)
var layer=document.layers["nsstars"+i]
var randCol=Math.round(Math.random()*8);
var randSz=Math.round(Math.random()*2);
layer.top = Ypos + explosionSize*Math.sin((currStep+i*5)/3)*Math.sin(currStep/100)
layer.left= Xpos + explosionSize*Math.cos((currStep+i*5)/3)*Math.sin(currStep/100)
if (currStep < 110){
 if (ns){layer.bgColor=initialStarColor;layer.clip.width=1;layer.clip.height=1}
 else{layer.background=initialStarColor;layer.width=1;layer.height=1;layer.fontSize=1}
 }
else{
 if (ns){layer.bgColor=Clrs[randCol];layer.clip.width=randSz;layer.clip.height=randSz}
 else{layer.background=Clrs[randCol];layer.width=randSz;layer.height=randSz;layer.fontSize=randSz}
 }
}
if (currStep > 220) 
{
 currStep=0;
 Ypos = 50+Math.round(Math.random()*WinHeight)+Yscroll;
 Xpos = 50+Math.round(Math.random()*WinWidth);
 for (i=0; i < sClrs.length; i++)
  {
  var newIcol=Math.round(Math.random()*i);
  }
initialStarColor=sClrs[newIcol];
explosionSize=Math.round(80*Math.random()+100);
}
currStep+=step;
setTimeout("Fireworks()",20);
}
Fireworks();
// -->
</script>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->