var bSnowing = false;
var snowmax=35; 
var snowcolor=new Array("#aaaacc","#ddddFF","#ccccDD");

snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")
var snowletter="*";
var sinkspeed=0.6;
var snowmaxsize=22;
var snowminsize=8 
// Set 1 for all-over-snowing, set 2 for left-side-snowing 
// Set 3 for center-snowing, set 4 for right-side-snowing 
var snowingzone=3;
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; 
		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 
		} 
	} 
	
	if(bSnowing) {
		for(i=0;i<=snowmax;i++) { 
			document.getElementById("s"+i).style.visibility = "visible";
		}
		var timer=setTimeout("movesnow()",50) 
	} else {
		for(i=0;i<=snowmax;i++) { 
			document.getElementById("s"+i).style.visibility = "hidden";
		}
	}
} 
for (i=0;i<=snowmax;i++) 
{ 
document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>") ;
} 
if (browserok) { 
	//window.onload=initsnow; 
} 

function makeItSnow() {
	bSnowing = !bSnowing;
	initsnow();
}