//Autumn leaves- by Kurt Grigg (kurt.grigg@virgin.net)
//Modified by Dynamic Drive for NS6 functionality
//visit http://www.dynamicdrive.com for this script

//Pre-load your image below!
grphcs=new Array(6)
Image0=new Image();
Image0.src=grphcs[0]="/floaters/al.gif";
Image1=new Image();
Image1.src=grphcs[1]="/floaters/bl.gif"
Image2=new Image();
Image2.src=grphcs[2]="/floaters/cl.gif"
Image3=new Image();
Image3.src=grphcs[3]="/floaters/dl.gif"
Image4=new Image();
Image4.src=grphcs[4]="/floaters/el.gif"
Image5=new Image();
Image5.src=grphcs[5]="/floaters/fl.gif" 

Amount=8; //Smoothness depends on image file size, the smaller the size the more you can use!
Ypos=new Array();
Xpos=new Array();
Speed=new Array();
Step=new Array();
Cstep=new Array();
ns=(document.layers)?1:0;
ns6=(document.getElementById&&!document.all)?1:0;

if (ns){
	for (i = 0; i < Amount; i++){
		var P=Math.floor(Math.random()*grphcs.length);
		rndPic=grphcs[P];
		document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+rndPic+"></LAYER>");
	}
} else { 
	document.write('<div style="position:absolute;top:0px;left:0px; z-index:100;"><div style="position:relative;">');
	for (i = 0; i < Amount; i++){
		var P=Math.floor(Math.random()*grphcs.length);
		rndPic=grphcs[P];
		document.write('<img id="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px; z-index:100;">');
		}
	document.write('</div></div>');
}
WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
for (i=0; i < Amount; i++){                                                                
	 Ypos[i] = Math.round(Math.random()*WinHeight);
	 Xpos[i] = Math.round(Math.random()*WinWidth);
	 Speed[i]= Math.random()*5+3;
	 Cstep[i]=0;
	 Step[i]=Math.random()*0.1+0.05;
}

function fall(){
	var WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
	var WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
	var hscrll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;
	var wscrll=(ns||ns6)?window.pageXOffset:document.body.scrollLeft;
	for (i=0; i < Amount; i++){
		sy = Speed[i]*Math.sin(90*Math.PI/180);
		sx = Speed[i]*Math.cos(Cstep[i]);
		Ypos[i]+=sy;
		Xpos[i]+=sx; 
		if (Ypos[i] > WinHeight){
			Ypos[i]=-60;
			Xpos[i]=Math.round(Math.random()*WinWidth);
			Speed[i]=Math.random()*5+3;
		}
		if (ns){
		document.layers['sn'+i].left=Xpos[i];
		document.layers['sn'+i].top=Ypos[i]+hscrll;
		}
		else if (ns6){
		document.getElementById("si"+i).style.left=Math.min(WinWidth,Xpos[i]);
		document.getElementById("si"+i).style.top=Ypos[i]+hscrll;
		}
		else{
		eval("document.all.si"+i).style.left=Xpos[i];
		eval("document.all.si"+i).style.top=Ypos[i]+hscrll;
		} 
		Cstep[i]+=Step[i];
	}
	setTimeout('fall()',20);
}

//window.onload=fall;
 fall();