$('.animatable_elements').draggable({
        start: function( event, ui ) {
            //console.log( event );
            //console.log( ui );
        },
        stop: function( event, ui ) {
            //console.log(ui);
            console.log('New Position Left: ' + Math.round(ui.position.left));
            console.log('New Position Top: ' + Math.round(ui.position.top));
        }
    });