function ajxsupport(){
	var supportobj=null;
	try{
		supportobj=new XMLHttpRequest();
	}catch (e){
		try{
			supportobj=new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e){
			supportobj=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return supportobj;
}

function getOuttime(obj){
	//Cookie Values
	var url=window.location.href;
	eraseCookie('url_address');	
	createCookie('url_address',url,1);
	
	eraseCookie('url_referer');
	createCookie('url_referer',document.referrer,1);
	
	
	supportobj=ajxsupport();	
	if (supportobj==null){
		alert ("Your browser does not support AJAX!");
		return null;		
	}
	var url2="Tracker/tracker.php?detail="+obj;	
	supportobj.onreadystatechange=function(){	
	if (supportobj.readyState==1 || supportobj.readyState==2 || supportobj.readyState==3){
	}
	if (supportobj.readyState==4){	
		var b=supportobj.responseText;						
	} 
	};
	supportobj.open("GET",url2,true);
	supportobj.send(null);
	//eraseCookie('url_referer');
	//eraseCookie('url_address');	
}

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();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(c_name){
	if (document.cookie.length>0){
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1){
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
				return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}