var ns=document.layers?1:0
var ie4=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0

amount=42;
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;
j = 2;

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);
  		}
			
		if ( j%2 == 0 ) 						
			initialStarColor="00ff00";
		else
			initialStarColor="33ffff";

		explosionSize=Math.round(80*Math.random()+100);
	}
	j++;
	currStep+=step;
	setTimeout("fireworks()",20);
}