function WriteCookie(cookieName,cookieValue,days){
	var type_flag=readCookie("Cenwave");
	if (type_flag=="" || type_flag==null){
		var expire = "";
		if (days!=0){
			expire = new Date((new Date()).getTime() + days * 24 * 3600000);
			expire = "expires=" + expire.toGMTString() + ";" ;
		}
		path = "; path=/";	
		document.cookie = cookieName + "=" + escape(cookieValue) + ";" + expire + path;
	}	
}
	
function readCookie(name){
	var cookieObj=document.cookie;
	var cookieValue = "";
	var search = name + "=";
	if(cookieObj.length > 0)
	{ 
		offset = cookieObj.indexOf(search);
		if (offset != -1)
		{ 
			offset += search.length;
			end = cookieObj.indexOf(";", offset);
			if (end == -1) end = cookieObj.length;
			cookieValue = unescape(cookieObj.substring(offset,end))
		}
	}
	return cookieValue;
}

var PreUrl_tmp=document.referrer;
if (PreUrl_tmp==""  || PreUrl_tmp==null){
	WriteCookie("Cenwave","Preurl$%$localhost",1);
}
else{
	WriteCookie("Cenwave","Preurl$%$"+PreUrl_tmp,1);
}