       };

        el.addClass = function(name){
          var classes = this.getAttribute('class');
          el.setAttribute('class', classes
            ? classes + ' ' + name
            : name);
        };

        el.removeClass = function(name){
          var classes = this.getClasses().filter(function(curr){
            return curr != name;
          });
          this.setAttribute('class', classes.join(' '));
        };

        return el;
      }

      function search() {
        var str = $('sea