كود تساقط الثلج

<script>
 //Here you can add your own picture for snow. Just change the url
var
snowsrc="[url=http://i13.servimg.com/u/f13/11/52/70/02/snowba10.png]http://i13.servimg.com/u/f13/11/52/70/02/snowba10.png[/url]"
//how many snowflakes there will be (currently 12)
var no =40;
//How fast will the snow disappear (0 is never)
var hidesnowtime = 0;
//The height the snow will reach before it disappears ("windowheight" or "pageheight")
var snowdistance = "pageheight";
///////////////////////////////End of Settings///////////////////////////////////
var ie4up = (document.all) ? 1 : 0;
var ns6up = (document.getElementById&&!document.all) ? 1 : 0;
function iecompattest()
{
  return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
var dx, xp, yp;
var am, stx, sty;
var i, doc_width = 800, doc_height = 600;
 
if (ns6up)
{
  doc_width = self.innerWidth;
  doc_height = self.innerHeight;
}
else
if (ie4up)
{
  doc_width = document.body.clientWidth;
  doc_height = document.body.clientHeight;
}
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
for (i = 0; i < no; ++ i)
{
  dx[i] = 0;
  xp[i] = Math.random()*(doc_width-50);
  yp[i] = Math.random()*doc_height;
  am[i] = Math.random()*20;
  stx[i] = 0.02 + Math.random()/10;
  sty[i] = 0.7 + Math.random();
  if (ie4up||ns6up)
  {
      if (i == 0)
      {
 
      document.write("<div id="dot"+ i +"" style="POSITION:
absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT:
15px;"><a
href="[url=http://rftactical.darkbb.com/index.htm/%22%3E%3Cimg]http://rftactical.darkbb.com/index.htm"><img[/url]
src='"+snowsrc+"' border="0"><\/a><\/div>");
      }
      else
      {
 
      document.write("<div id="dot"+ i +"" style="POSITION:
absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT:
15px;"><img src='"+snowsrc+"' border="0"><\/div>");
      }
  }
}
function snowIE_NS6()
{
  doc_width = ns6up?window.innerWidth-10 : iecompattest().clientWidth-10;
 
doc_height=(window.innerHeight &&
snowdistance=="windowheight")? window.innerHeight : (ie4up &&
snowdistance=="windowheight")?  iecompattest().clientHeight : (ie4up
&& !window.opera && snowdistance=="pageheight")?
iecompattest().scrollHeight : iecompattest().offsetHeight;
  for (i = 0; i < no; ++ i)
  {
      yp[i] += sty[i];
      if (yp[i] > doc_height-50)
      {
        xp[i] = Math.random()*(doc_width-am[i]-30);
        yp[i] = 0;
        stx[i] = 0.02 + Math.random()/10;
        sty[i] = 0.7 + Math.random();
      }
      dx[i] += stx[i];
      document.getElementById("dot"+i).style.top=yp[i]+"px";
      document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i])+"px";
  }
  snowtimer=setTimeout("snowIE_NS6()", 10);
}
function hidesnow()
{
  if (window.snowtimer) clearTimeout(snowtimer)
      for (i=0; i<no; i++) document.getElementById("dot"+i).style.visibility="hidden"
}
 
if (ie4up||ns6up)
{
  snowIE_NS6();
  if (hidesnowtime>0)
      setTimeout("hidesnow()", hidesnowtime*1000)
}
</script>