function addToFavorites(title,url) 
{ 
	if (window.sidebar) 
	{ 
		window.sidebar.addPanel(title, url,""); 
	} 
	else if( document.all ) 
	{ 
		window.external.AddFavorite( url, title); 
	} 
	else if( window.opera && window.print ) 
	{ 
		return true; 
	} 
}
 function addToFavorites2(title, url)
 {
  if (window.external)
  {
   window.external.AddFavorite(url,title);
  }
  else
  { 
   alert("Sorry! Your browser doesn't support this function.");
  }
 }


var snowflake;
var no = 15; // number of snowflakes on the screen
var speed = 30; // smaller numbers make the snow fall faster
var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var obj, i, doc_width = 800, doc_height = 600;

var ns4up = (document.layers) ? 1 : 0;  // browser sniffer
var ie4up = (document.all) ? 1 : 0;
var ns6up = (document.getElementById&&!document.all) ? 1 : 0;


function winSize() 
{
	try
	{
		doc_width = window.innerWidth?window.innerWidth:document.body.clientWidth;
		doc_height = window.innerHeight?window.innerHeight:document.body.clientHeight;
	}
	catch (e)
	{ }
}


function writeFalling(img) 
{
	dx = new Array();
	xp = new Array();
	yp = new Array();
	am = new Array();
	stx = new Array();
	sty = new Array();

	snowflake = "/images/fun/"+img+".gif";
	document.write("<STYLE type=\"text/css\">.flake {position:absolute;top:-200;}</STYLE>");
	for (i = 0; i < no; i++) 
	{ 
		dx[i] = 0; // set coordinate variables
		xp[i] = Math.random()*(doc_width-30) +10; // set position variables
		yp[i] = Math.random()*doc_height;
		am[i] = Math.random()*20; // set amplitude variables
		stx[i] = 0.02 + Math.random()/10; // set step variables
		sty[i] = 0.7 + Math.random(); // set step variables
		document.write("<div id=\"dot"+ i +"\" class=\"flake\"><img src=\"");
		document.write(snowflake + "\" 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 snow() 
{
	winSize();
	doc_scroll = (window.pageYOffset!=null)?window.pageYOffset:document.body.scrollTop;
	for (i = 0; i < no; ++ i) 
	{ 
		// iterate for every dot
		yp[i] += sty[i];
		if (yp[i] > doc_height+doc_scroll-50) 
		{
			xp[i] = Math.random()*(doc_width-am[i]-30);
			yp[i] = doc_scroll;
			stx[i] = 0.02 + Math.random()/10;
			sty[i] = 0.7 + Math.random();
		}
		dx[i] += stx[i];
		snowMove("dot"+i,xp[i]+am[i]*Math.sin(dx[i]),yp[i]);
	}
	setTimeout("snow()", speed);
}

function playFalling(img) 
{
	writeFalling(img);
	//window.onload=snow;	
	snow();
}