var snowmax=50;
var snowcolor=new Array("#AAAACC","#DDDDFF","#CCCCDD","#F3F3F3","#F0FFFF","#FFFFFF", "#C3F2FD", "#D3F6FE", "#DBF8FF", "#D1EFF6");
var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS");
var snowletter="*";
var sinkspeed=0.6;
var snowmaxsize=30;
var snowminsize=15

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/);

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;
    snow[i].posx=randommaker(marginright-snow[i].size);
    snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size);
	snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size)
    snow[i].style.left=snow[i].posx + 'px';
    snow[i].style.top=snow[i].posy + 'px';
  }
  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]) + 'px';
    snow[i].style.top=snow[i].posy + 'px';
    if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])) {
      snow[i].posx=randommaker(marginright-snow[i].size);
      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>")
}