function gup( name )
        {
          name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
          var regexS = "[\\?&]"+name+"=([^&#]*)";
          var regex = new RegExp( regexS );
          var results = regex.exec( window.location.href );
          if( results == null )
            return "";
          else
            return results[1];
        }