var tmr;
var t;
var obj;

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
		//var expires = "; expires=Mon, 15 Feb 2010 08:00:00 UTC";
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
	
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function sFa() {

     var x = readCookie('showpopup2');
     if (x) {}
     else { 
	obj = gObj();
	sLft();
	shw(true);
	t = 0;
	sTmr();
	 createCookie('showpopup2','true',30);
	setTimeout('hFa()', 20000);
	 }
}

function hFa() {
	t = -100;
	sTmr();
	return false;
}

function sTmr() {
	tmr = setInterval("fd()",20);
}

function fd() {
	var amt = Math.abs(t+=10);
	if(amt == 0 || amt == 100) clearInterval(tmr);
	amt = (amt == 100)?99.999:amt;
  	
	obj.style.filter = "alpha(opacity:"+amt+")";
	obj.style.KHTMLOpacity = amt/100;
	obj.style.MozOpacity = amt/100;
	obj.style.opacity = amt/100;
	
	if(amt == 0) shw(false);
}

function sLft() {
	var w = 300;	// set this to 1/2 the width of the fa div defined in the style sheet 
			// there's not a reliable way to retrieve an element's width via javascript!!
					
	var l = (document.body.innerWidth)? document.body.innerWidth / 2:document.body.offsetWidth / 2;

	obj.style.left = (l - w)+"px";
}

function gObj() {
	return document.getElementById("fa");	
}

function shw(b) {
	(b)? obj.className = 'show':obj.className = '';	
}