// JavaScript Document
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 add_values(r_url,r_domain,r_key,enter_url)
{	
	//value order referer url--domain--key--enter site url	
	var cookie_v=readCookie("page_referrer");
	if (cookie_v)
	{		
		var arr=cookie_v.split("#@#");
		if (arr.length==3)//not from listed search engines
		{
			if (document.getElementById(r_url))document.getElementById(r_url).value=arr[0];
			if (document.getElementById(r_domain))document.getElementById(r_domain).value=arr[1];
			if (document.getElementById(enter_url))document.getElementById(enter_url).value=arr[2];
		}
		else if (arr.length==4)
		{
			if (document.getElementById(r_url))document.getElementById(r_url).value=arr[0];
			if (document.getElementById(r_domain))document.getElementById(r_domain).value=arr[1];
			if (document.getElementById(r_key))document.getElementById(r_key).value=arr[2];
			if (document.getElementById(enter_url))document.getElementById(enter_url).value=arr[3];
		}		
	}
}