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 setCookie(c_name,value,expiredays)
{var exdate=new Date();exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString()) + ";path=/";
}
function checkCookie()
{
referId=getCookie("referId");
if (referId!=null && referId!="")
 {
 }
 else 
 {
var anexdate=new Date();

 referId=document.referrer + "||" + location.href + "||" +anexdate.toGMTString();
 if (referId!=null && referId!="")
 {
 setCookie("referId",referId,365);
 }
 }
}