//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(8);

grphcs[0]="<img src='images/release/hoa_small.gif' />";
grphcs[1]="<img src='images/release/hoa_small.gif' />";
grphcs[2]="<img src='images/release/hoa_small.gif' />";
grphcs[3]="<img src='images/release/hoa_small.gif' />";
grphcs[4]="<img src='images/release/hoa_small.gif' />";
grphcs[5]="<img src='images/release/hoa_small.gif' />";
grphcs[6]="<img src='images/release/hoa_small.gif' />";
grphcs[7]="<img src='images/release/hoa_small.gif' />";

Amount=8; //Smoothness depends on image file size, the smaller the size the more you can use!

//img = "<font size='2' face='Tahoma' color='ffffff'><b>*</b></font>";
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+"</LAYER>"); //before
document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0>"+grphcs[i]+"</LAYER>");
}
}
else{
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i = 0; i < Amount; i++){
//var P=Math.floor(Math.random()*grphcs.length);
//rndPic=grphcs[P];
//document.write('<div id="si'+i+'" style="position:absolute;top:0px;left:0px">'+img+'</div>'); //before
document.write('<div id="si'+i+'" style="position:absolute;top:0px;left:0px">'+grphcs[i]+'</div>');
}
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;
}
//begin edit here by thaoht 25/04/08
if (Xpos[i] > WinWidth )
{
    Xpos[i] = WinWidth - 50;
}
if (Ypos[i] > WinHeight )
{
    Ypos[i] = WinHeight - 100;
}
//end edit
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()',100); //before 20
}

fall();