/*
// numero de copos de nieve (maximo 35) 
var snowmax=50 
// colores para la nieve. puedes poner varios 
var snowcolor=new Array("#FF6600","#CCFFFF","#FFCCFF") 
// fuente para los copos de nieve. puedes poner varios 
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS") 
// coloca la letra que hara de copo, normalmente un asterisco * 
var snowletter="*" 
// velocidad de la nieve. se recomienda entre 0.2 a 2 
var sinkspeed=0.6 
// tamaņo maximo para los copos de nieve 
var snowmaxsize=22 
// tamaņo minimo para los copos de nieve 
var snowminsize=10 
// Aqui selecciona el modo de nive. pon 1 para que la nieve caiga por todos lados 
// 2 para que venga de la izquierda, 3 desde la derecha y 4 desde arriba. 
var snowingzone=3 
// lo siguiente no se debe variar 
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 
}
*/