if(swap_me){
            swap_me.addEvent('click', function(e){
                e.stop();

                var whichClass = this.get('class');
                var myParent = this.getParent('li');
                var myPos = sortables.indexOf(myParent);
                var otherPos = ['down_me', 'up_me'].contains(whichClass)?
                    (whichClass === 'down_me'?
                        sortables.indexOf(myParent.getNext('li')):
                        sortables.indexOf(myParent.getPrevious('li'))
                    ):
                    'error';

                otherPos = !([null, 'error'].contains(otherPos))? otherPos: myPos;

                swapReq.addEvent('success', function(response){
                    if(!response.error){
                        sortables[otherPos].inject(myParent, (myPos > otherPos? 'before': 'after'));
                        sortables = droppable.getElements('.dragable');
                    }
                });

                if(myPos !== otherPos){
                    swapReq.send($H({
                        act: 'swap',
                        order1: myPos,
                        order2: otherPos,
                        perfil: $_GET['perfil'],
                        playlist: playlist,
                        token: token
                    }).toQueryString());
                }
            });
        }