function getCookie(Key,Key2){
var search = Key + "=";
var Key2 =Key2 +"=";
begin = document.cookie.indexOf(search);
if (begin != -1) {
  begin += search.length;
  end = document.cookie.indexOf(";",begin);
  if (end == -1) end = document.cookie.length;
  //ÕÒµÚ¶þ¸ö×ֶΠ 
  big_cookie=document.cookie.substring(begin,end);
  	if (big_cookie.indexOf(Key2)!=-1)
	{	
		begin2=big_cookie.indexOf(Key2);
		begin2 +=Key2.length;
		end2=begin2+1
		result=big_cookie.substring(begin2,end2);
		if (result!=""&&result!="&")
			{return true;}
	}
 return false;
 }
}