this.handles.each(function( i ) {
                valPercent = ( that.values(i) - that._valueMin() ) / ( that._valueMax() - that._valueMin() ) * 100;
                _set[ that.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
                $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
                if ( that.options.range === true ) {