function setCookie(name, value) {
 var today=new Date()
 var expires=new Date()
 expires.setTime(today.getTime()+1000*60*60*24*365)//60*60*24*365
 //alert(name+'\n'+value+'\n'+escape(value));
 document.cookie=name+"="+escape(value)+"; path=/; expires="+expires.toGMTString()
}

function getCookie(Name) {
 var search=Name+"=";
 if (document.cookie.length > 0) {
  var offset=document.cookie.indexOf(search);
  if (offset!=-1) {
   offset+=search.length;
   var end=document.cookie.indexOf(";", offset);
   if (end==-1) {
    end=document.cookie.length
   }
   return unescape(document.cookie.substring(offset, end));
  }else{
   return ""
  }
 }else{
  return ""
 }
}

function delCookie(s) {
 var today=new Date();
 var expires=new Date();
 expires.setTime(today.getTime()-60*60*24*365);
 document.cookie=s+"=; path=/; expires="+expires.toGMTString()
}