var snowmax=35

var snowcolor=new Array("#FE0107","#FFFF00","#008000","#008000","#FF00FF")

var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS")

var snowletter="*"

var sinkspeed=2

var snowmaxsize=25

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

                        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>")

}

/*if (browserok) {

            window.onload=initsnow

}*/