function rnd(){return Math.random();}
function xRnd(){return (rnd()/10);}
function yRnd(){return (2+2*(.5-rnd()));}
var letitsnow=true;
var flakes=Array("snow1.gif","snow2.gif","snow3.gif");
var numflakes=15;
var GheosTime=50;
var Gheosdx,GheosxPos,GheosyPos,vx,vy,GheosObj,iVar;
var winwidth=1024;
var winheight=768;
function sizeIt(){
window.winwidth=window.innerWidth?window.innerWidth:document.body.clientWidth;
window.winheight=window.innerHeight?window.innerHeight:document.body.clientHeight;}
Gheosdx=new Array();
GheosxPos=new Array();
GheosyPos=new Array();
sway=new Array();
var swaymax=20;
vx=new Array();
vy=new Array();
sizeIt();
document.write('<STYLE TYPE="text/css">\
.flk {position:absolute;top:-100;}<\/STYLE>');
for(iVar=0;iVar<numflakes;iVar++){
  var thisflake=''+flakes[Math.floor(rnd()*flakes.length)];
  Gheosdx[iVar]=0;
  GheosxPos[iVar]=rnd()*(window.winwidth-30)+10;
  GheosyPos[iVar]=rnd()*window.winheight;
  sway[iVar]=rnd()*swaymax;
  vx[iVar]=xRnd();
  vy[iVar]=yRnd();
  document.write('<DIV ID="f'+iVar+'" CLASS="flk"><IMG SRC="'+thisflake+'" BORDER="0"><\/DIV>');}
function snowMove(id,left,top){
  GheosObj=document.getElementById?document.getElementById(id).style:
  document.all?document.all[id].style:
  document.layers?document.layers[id]:null;
  if(GheosObj){
    GheosObj.left=left;
    GheosObj.top=top;  }}
function snowSwitch(s){
  if(s=='on'){
    if(window.letitsnow!=true){
      window.letitsnow=true;
      doSnow();    }
  } else if(s=='off'){
    window.letitsnow=false;
    hideSnow();  }}
function hideSnow(){
for(jVar=0;jVar<numflakes;++jVar)snowMove('f'+jVar,-100,-100);}
function doSnow(){
if(letitsnow){
  sizeIt();
  delta=(window.pageYOffset!=null)?window.pageYOffset:document.body.scrollTop;
  for(kVar=0;kVar<numflakes;++kVar){
    GheosyPos[kVar]+=vy[kVar];
    if(GheosyPos[kVar]>window.winheight+delta-20){
      GheosxPos[kVar]=rnd()*(window.winwidth-sway[kVar]-30);
      GheosyPos[kVar]=delta;
      vx[kVar]=xRnd();
      vy[kVar]=yRnd();    }
    Gheosdx[kVar]+=vx[kVar];
    snowMove('f'+kVar,GheosxPos[kVar]+sway[kVar]*Math.cos(Gheosdx[kVar]),GheosyPos[kVar]);  }
  setTimeout("doSnow()",GheosTime);  }}
//setTimeout("sunshine()",30000);
function sunshine(){
snowSwitch('off');return false;}
window.onload=doSnow;
setTimeout("doSnow()",500);