function getCookie(name) {
    var arg = name + '=';
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
      var j = i + alen;
      if (document.cookie.substring(i, j) == arg)
    {
      var endstr = document.cookie.indexOf(";", j);
      if (endstr == -1)
        endstr = document.cookie.length;
      return unescape(document.cookie.substring(j, endstr));
     }
     i = document.cookie.indexOf(' ', i) + 1;
       if (i == 0) break;
    }
    return null;
  }
  
  function hasApp()
  {
   var vals = String(getCookie('LYC')).split("&");
   for (var i = 0; i < vals.length; i++)
   {
      var keyval = vals[i].split("=");
       if (keyval[0] == "lc")
       {
     var lcvals = keyval[1].split(",");
     return (lcvals[3] == "1");
      }
   }
   return (getCookie('lcApp') == "1");
  }
 
function rnd(){return Math.random();}
function xRnd(){return (rnd()/10);}
function yRnd(){return (2 + 2*( .5 - rnd() ));}
var letitsnow = true;
var flakes = Array("http://www.joelandtiff.com/joel/xmas/v1/snwflk.gif","http://www.joelandtiff.com/joel/xmas/v1/snwflk2.gif","http://www.joelandtiff.com/joel/xmas/v1/snwflk3.gif","http://www.joelandtiff.com/joel/xmas/v1/snwflk4.gif");
var numflakes = 10;
var T = 50;
var dx, xPos, yPos, am, vx, vy, obj, i;
var winwidth = 640;
var winheight = 480;

function sizeIt()
{
window.winwidth = window.innerWidth?window.innerWidth:document.body.clientWidth;
window.winheight = window.innerHeight?window.innerHeight:document.body.clientHeight;
}

dx = new Array();
xPos = new Array();
yPos = new Array();
sway = new Array();
var swaymax = 20;
vx = new Array();
vy = new Array();
sizeIt();
document.write("<STYLE type=\"text/css\">\n.flk {position:absolute;top:-100;}<\/STYLE>");
for (i = 0; i < numflakes; i++)
{
	var thisflake = "" + flakes[Math.floor(rnd()*flakes.length)];
	dx[i] = 0;
	
	xPos[i] = rnd()*(window.winwidth-30) +10;
	yPos[i] = rnd()*window.winheight;
	sway[i] = rnd()*swaymax;
	vx[i] = xRnd();
	vy[i] = yRnd();
	document.write("<div id=\"f"+ i +"\" class=\"flk\"><img src=\"");
	document.write(thisflake + "\" border=\"0\"><\/div>");
}


function snowMove(id,left,top)
{
	obj = document.getElementById?document.getElementById(id).style:
	document.all?document.all[id].style:
	document.layers?document.layers[id]:null;
	if (obj)
	{
		obj.left=left;
		obj.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 (i = 0; i < numflakes; ++ i) {
		snowMove("f"+i,-100,-100);
	}
}

function doSnow() {
if (letitsnow){
	sizeIt();
	delta = (window.pageYOffset!=null)?window.pageYOffset:document.body.scrollTop;
	for (i = 0; i < numflakes; ++ i) {
		yPos[i] += vy[i];
		if (yPos[i] > window.winheight+delta-50) {
			xPos[i] = rnd()*(window.winwidth-sway[i]-30);
			yPos[i] = delta;
			vx[i] = xRnd();
			vy[i] = yRnd();
		}
		dx[i] += vx[i];
		snowMove("f"+i,xPos[i]+sway[i]*Math.cos(dx[i]),yPos[i]);
	}
	setTimeout("doSnow()", T);
}	
}
setTimeout("sunshine()", 30000);
function sunshine() 
	{
	snowSwitch('off');return false;
	}
window.onload=doSnow;