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 launchRadio (clientStationID, playlistType, playlistModifier, djID, otherParams) {
	var windowName = self.name;
	if (windowName == '') {
		windowName = 'LaunchRadioTarget';
		self.name = windowName;
	}
	var path = "http://launchcast.launch.yahoo.com/radio/player/";
	var qs = 'clientID=1&clientStationID=' + clientStationID + '&p=' + playlistType + '&m=' + playlistModifier + '&d=' + djID + '&linkTarget=' + windowName;
	if (arguments[4] != null) qs += '&' + arguments[4];
	if (hasApp())
		window.top.location = path + 'createLCP.asp?appmode=0&closeWarning=0&' + qs;
	else
		radioWin = window.open(path + 'default.asp?' + qs, 'playerWindow', 'HEIGHT=' + (document.layers ? 314 - 30 : 314) + ',WIDTH=' + (document.layers ? 390 - 10 : 390));
}

function rnd(){return Math.random();}
function xRnd(){return (rnd()/10);}
function yRnd(){return (2 + 2*( .5 - rnd() ));}

var letitsnow = true;
var flakes = Array("snwflk.gif","snwflk2.gif","snwflk3.gif","snwflk4.gif");
var numflakes = 15;
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 = 40;
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;