function firework(){
  if (ie){
     documentWidth=document.body.clientWidth
     documentHeight=document.body.clientHeight
     leftcorner=document.body.scrollLeft
     topcorner=document.body.scrollTop }
  else if (ns||ns6){
     documentWidth=window.innerWidth
     documentHeight=window.innerHeight
     leftcorner=pageXOffset
     topcorner=pageYOffset }
     //below code randomly generates a set of coordinates that fall within the dimension
     randomx=leftcorner+Math.floor(Math.random()*documentWidth)
     randomy=topcorner+Math.floor(Math.random()*documentHeight)
     if(sparksOn){
		if(!sparksAflyin){
			sparksAflyin=true;
			totalSparks=0;
			for(var spark=0;spark<=6;spark++){
				dx=Math.round(Math.random()*50);
				dy=Math.round(Math.random()*50);
				FireMoveTo(spark,randomx,randomy,dx,dy);
			}
		}
	}
}

function FireMoveTo(i,tempx,tempy,dx,dy){
	if(ie){
		if(tempy+80>(document.body.offsetHeight+document.body.scrollTop))
			tempy=document.body.offsetHeight+document.body.scrollTop-80;
		if(tempx+80>(document.body.offsetWidth+document.body.scrollLeft))
			tempx=document.body.offsetWidth+document.body.scrollLeft-80;
	}
	else if(ns6){
		if(tempy+80>(window.innerHeight+pageYOffset))
			tempy=window.innerHeight+pageYOffset-80;
		if(tempx+80>(window.innerWidth+pageXOffset))
			tempx=window.innerWidth+pageXOffset-80;
	}
	if(tempx>-50&&tempy>-50){
		tempx+=dx;tempy+=dy;	
		allDivs[i].left=tempx;
		allDivs[i].top=tempy;
		dx-=power;dy-=power;
		setTimeout("FireMoveTo("+i+","+tempx+","+tempy+","+dx+","+dy+")",speed)
	}
	else
		++totalSparks
	if(totalSparks==7){
		sparksAflyin=false;
		totalSparks=0;
	}
}

function initFireWork(){
if(!ns && !ie &&!ns6){sparksOn = false;	return;	}
setInterval("firework()",intervals)
<!--
if (ns)
	document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
	for(dNum=0; dNum<7; ++dNum){
		if(ie) allDivs[dNum]=eval('document.all.sDiv'+dNum+'.style');
        else if (ns6) allDivs[dNum]=document.getElementById('sDiv'+dNum).style;
		else allDivs[dNum]=eval('document.layers["sDiv'+dNum+'"]');
	}
}
//-->