sortable.js

    ,sortable: function(action, options) {
      if(action == 'enable') {
        console.log(this)
        return this
          .data('sortable', true)
          .bind('dragstart.sortable', function() {
            var _this = _(this);
            var blank = _this.clone().css('visibility', 'hidden');
            _this.before(blank);
            _this.data('blank', blank);
            _this.css('position', 'absolute');
            _.dropManage(options);
            return _this;
          })
          .bind('drag.sortable', function(e) { 
            _( e.dragProxy ).css({ 
              top:e.offsetY
            }); 
          })
          .bind('dragend.sortable', function(e) {
            var _this = _( e.dragProxy );
            _this.data('blank')
              .before(_this)
              .remove();
            _this.css('position', '');
          })
          .bind('dropstart.sortable', function(e) {
            var proxy = _(e.dragProxy);
            var _this = _(e.dropTarget);
            _this.before(proxy.data('blank'));
          })
          .bind('drop.sortable', function() {})
          .bind('dropend.sortable', function(e) {
            var proxy = _(e.dragProxy);
            var _this = _(e.dropTarget);
            if(_this.next().length) {} else {
              _this.after(proxy.data('blank'));
            }
          });
      }
      else if (action == 'disable') {
        return this
          .data('sortable', null)
          .unbind('dragstart.sortable')
          .unbind('drag.sortable')
          .unbind('dragend.sortable')
          .unbind('dropstart.sortable')
          .unbind('drop.sortable')
          .unbind('dropend.sortable');
      }
      else if (action == 'toggle') {;
        if(this.data('sortable'))
          this.sortable('disable');
        else
          this.sortable('enable', options);
        return this;
      }
      else if (action == 'serialize') {
        var serial = [];
        this.each(function() { serial.push(_(this).attr('class')); });
        return serial;
      }
    }
  });