<script language="JavaScript1.2">

var image="http://i218.photobucket.com/albums/cc212/marivi61/imagenes%20gif/angel.gif";  //Image path should be given here
var no = 15; // No of images should fall
var time = 0; // Configure whether image should disappear after x seconds (0=never):
var speed = 70; // Fix how fast the image should fall
var i, dwidth = 900, dheight =500;
var nht = dheight;
var toppos = 0;

if(document.all){
var ie4up = 1;
}else{
var ie4up = 0;
}

if(document.getElementById && !document.all){
var ns6up = 1;
}else{
var ns6up = 0;
}

function getScrollXY() {
  var scrOfX = 10, scrOfY = 10;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY =window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement &&
      ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
   scrOfY = document.documentElement.scrollTop;
   scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}

var timer;

function ranrot()
{

var a = getScrollXY()
if(timer)
{
clearTimeout(timer);
}
toppos = a[1];
dheight = nht+a[1];
//alert(dheight);

timer = setTimeout('ranrot()',2000);
}
 
ranrot();
 
function iecompattest()
{
if(document.compatMode && document.compatMode!="BackCompat")
{
return document.documentElement;
}else{
return document.body;
}

}
if (ns6up) {
dwidth = window.innerWidth;
dheight = window.innerHeight;
}
else if (ie4up) {
dwidth = iecompattest().clientWidth;
dheight = iecompattest().clientHeight;
}

nht = dheight;

var cv = new Array();
var px = new Array();       //position variables
var py = new Array();      //position variables
var am = new Array();     //amplitude variables
var sx = new Array();    //step variables
var sy = new Array();   //step variables

for (i = 0; i < no; ++ i) { 
cv[i] = 0;
px[i] = Math.random()*(dwidth-100);  // set position variables
py[i] = Math.random()*dheight;     // set position variables
am[i] = Math.random()*20;         // set amplitude variables
sx[i] = 0.02 + Math.random()/10;  // set step variables
sy[i] = 0.7 + Math.random();    // set step variables
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px;LEFT: 15px;\"><img src='"+image+"' border=\"0\"><\/div>");
}

function animation() {  // animation function
for (i = 0; i < no; ++ i) {  // iterate for every dot
py[i] += sy[i];
      if (py[i] > dheight-50) {
        px[i] = Math.random()*(dwidth-am[i]-100);
        py[i] = toppos;
        sx[i] = 0.02 + Math.random()/10;
        sy[i] = 0.7 + Math.random();
      }
      cv[i] += sx[i];
      document.getElementById("dot"+i).style.top=py[i]+"px";
      document.getElementById("dot"+i).style.left=px[i] + am[i]*Math.sin(cv[i])+"px"; 
    }
    atime=setTimeout("animation()", speed);

}

function hideimage(){
if (window.atime) clearTimeout(atime)
for (i=0; i<no; i++)
document.getElementById("dot"+i).style.visibility="hidden"
}
if (ie4up||ns6up){
animation();
if (time>0)
setTimeout("hideimage()", time*1000)
}
animation();

</script>