function get_cookie(Name) {
//Get cookie routine by Shelley Powers
 var search = Name + "="
 var returnvalue = "";
 if (document.cookie.length > 0) {
   offset = document.cookie.indexOf(search)
   if (offset != -1) {
     offset += search.length
     end = document.cookie.indexOf(";", offset);
     if (end == -1) end = document.cookie.length;
     returnvalue=unescape(document.cookie.substring(offset, end))
     }
  }
 return returnvalue;
}