var snowmax = 25;
var snowcolor = new Array("#66CCFF","#66CCCC","#669999","#FFFFFF")
var snowtype = new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")
var snowletter = "*";
var sinkspeed = 1.0
var snowmaxsize = 29
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/)  

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;
		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(2*marginbottom-marginbottom-2*snow[i].size)
		snow[i].style.left = snow[i].posx
		snow[i].style.top = snow[i].posy
	}
	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]);
		snow[i].style.top = snow[i].posy
		
		if (snow[i].posy >= marginbottom-2*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);
}

for (i=0;i<=snowmax;i++)
{
	document.write("<span id='s" + i + "' style='position:absolute;top:-" + snowmaxsize + "'>" + snowletter + "</span>");
}