var snowmax=20
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD")
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")
var snowletter="*"
var sinkspeed=0.6
var snowmaxsize=28
var snowminsize=10
var snowingzone=1
var snow=new Array()
var marginbottom
var marginright
var timer
var i_snow=0
var x_mv=new Array();
var crds=new Array();
var lftrght=new Array();
var browserinfos=navigator.userAgent 
var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)
var ns6=document.getElementById&&!document.all
var opera=browserinfos.match(/Opera/)  
var browserok=ie5||ns6||opera
function randommaker(range) {		
	rand=Math.floor(range*Math.random())
    return rand
}
function initsnow() {
	if (ie5 || opera) {
		marginbottom = document.body.clientHeight
		marginright = document.body.clientWidth
	}
	else if (ns6) {
		marginbottom = window.innerHeight
		marginright = window.innerWidth
	}
	var snowsizerange=snowmaxsize-snowminsize
	for (i=0;i<=snowmax;i++) {
		crds[i] = 0;                      
    	lftrght[i] = Math.random()*15;         
    	x_mv[i] = 0.03 + Math.random()/10;
		snow[i]=document.getElementById("s"+i)
		snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)]
		snow[i].size=randommaker(snowsizerange)+snowminsize
		snow[i].style.fontSize=snow[i].size + 'px'
		snow[i].style.color=snowcolor[randommaker(snowcolor.length)]
		snow[i].sink=sinkspeed*snow[i].size/5
		if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
		if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
		if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
		if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
		snow[i].posy=randommaker(6*marginbottom-marginbottom-6*snow[i].size)
		snow[i].style.left=snow[i].posx + 'px'
		snow[i].style.top=snow[i].posy + 'px'
	}
	movesnow()
}
function movesnow() {
	for (i=0;i<=snowmax;i++) {
		crds[i] += x_mv[i];
		snow[i].posy+=snow[i].sink
		snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i]) + 'px';
		snow[i].style.top=snow[i].posy + 'px'
		if (snow[i].posy>=marginbottom-6*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
			if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
			if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
			if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
			if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
			snow[i].posy=0
		}
	}
	var timer=setTimeout("movesnow()",50)
}
function initOnLoad()
{
  var oldOnLoad = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = function() {
      initsnow();
    };
  } else {
    window.onload = function() {
      oldOnLoad();
      initsnow();
    };
  }
}
for (i=0;i<=snowmax;i++)
	document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>")
if (browserok) 
	initOnLoad();