var snowmax=45 
var snowcolor=new Array("#AAAACC","#DDDDFF","#CCCCDD","#F3F3F3","#F0FFFF") 
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS") 
var snowletter="*" 
var sinkspeed=0.6 
var snowmaxsize=22 
var snowminsize=8 
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 + 150 
                marginright = document.body.clientWidth - 50
        } 
        else if (ns6) { 
                marginbottom = window.innerHeight + 150 
                marginright = window.innerWidth - 50
        } 
        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()",40) 
} 

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