var snowmax=25 // Set the number of snowflakes (more than 30 - 40 not recommended) 
var snowcolor=["#c4bbcc","#ccddFF","#ccd6DD"] // Цвета снега 
var snowtype=["Arial Black","Arial Narrow","Times","Comic Sans MS"] // Шрифты снега 
var snowletter=["*","<img src=snow.gif>","<img src=snow21.gif>","<img src=snow3.gif>"]; // Снег (рекомендуется: *) 
var sinkspeed=0.7 // Set the speed of sinking (recommended values range from 0.3 to 2) 
var snowmaxsize=32 // Set the maximal-size of your snowflaxes 
var snowminsize=12 // Set the minimal-size of your snowflaxes 
var snowsizerange=snowmaxsize-snowminsize 
// Set the snowing-zone 
// Set 1 for all-over-snowing, set 2 for left-side-snowing 
// Set 3 for center-snowing, set 4 for right-side-snowing 
var snowingleft=0.0 //левая граница присутствия снега 
var snowingwidth=1.0 //ширина присутствия снега в окне 
var opac=0.35 //непрозрачность снега (0.0-1.0), при 1.0 в 2 раза быстрее работает. 
var stepTime=120 //шаг покадровой анимации (мсек). При менее 100 сильно нагружает процессор 
var snow=new Array() 
var marginbottom 
var marginright 
var timer 
var x_mv=new Array(); var crds=new Array(); var lftrght=new Array(); 
var browserinfos=navigator.userAgent 
d=document 
var isOpera=self.opera 
var ie5=d.all&&d.getElementById&&!isOpera 
var ns6=d.getElementById&&!d.all 
var browserok=ie5||ns6||isOpera 

function randommaker(range){return Math.floor(range*Math.random())} 

function botRight() 
{ 
if(ie5||isOpera) 
{ 
marginbottom=d.body.clientHeight; 
marginright=d.body.clientWidth; 
} 
else 
if(ns6) 
{ 
marginbottom=innerHeight; marginright=innerWidth; 
} 
} 

function checkPgDn() 
{ 
scrltop=ns6?pageYOffset:document.body.scrollTop; 
} 

function initsnow() 
{ 
checkPgDn();if(ns6)setInterval("checkPgDn()",999); 
botRight(); 
for (i=0;i<=snowmax;i++) 
{ 
crds[i] = 0; 
lftrght[i] = Math.random()*20; 
x_mv[i] = 0.03 + Math.random()/10; 
snow[i]=d.getElementById("s"+i) 
snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)] 
snow[i].style.fontSize=snow[i].size=randommaker(snowsizerange)+snowminsize 
snow[i].style.color=snowcolor[randommaker(snowcolor.length)] 
snow[i].sink=sinkspeed*snow[i].size/5 
newPosSnow(randommaker(marginbottom-3*snow[i].size)); 
} 
movesnow(); 
} 

function newPosSnow(y) 
{ 
var o; 
snow[i].posx=randommaker(marginright*snowingwidth-2*snow[i].size)+marginright*snowingleft 
snow[i].posy=y+(ns6?pageYOffset:d.body.scrollTop); 
snow[i].size=randommaker(snowsizerange)+snowminsize; 
if(snow[i].hasChildNodes()&&(o=snow[i].childNodes[0]).tagName=='IMG') o.width=o.height=randommaker(snowsizerange/1.6)+snowminsize; 
} 

function movesnow() 
{ 
for (i=0;i<=snowmax;i++) 
{ 
snow[i].style.top=snow[i].posy+=snow[i].sink+lftrght[i]*Math.sin(crds[i])/3; 
crds[i] += x_mv[i]; 
snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i]); 
if(snow[i].posy>=marginbottom-3*snow[i].size+scrltop || parseInt(snow[i].style.left)>(marginright-3*lftrght[i]))newPosSnow(0); 
} 
var timer=setTimeout("movesnow()",stepTime) 
} 

for (i=0;i<=snowmax;i++) 
{ 
d.write("<span id='s"+i+"' style='position:absolute;"+(opac<1?"-moz-opacity:"+opac+";filter:alpha(opacity="+(opac*100)+")":"")+";top:-"+snowmaxsize+"'>" 
+snowletter[Math.floor(snowletter.length*Math.random())]+"</span>") 
} //-moz-opacity:0.5;filter:alpha(opacity=50); 


onmousewheel = onscroll = function(){checkPgDn()} 
onresize = function(){botRight();}