Cycle 2 Touch Swipe Detection, without iOS6 workaround

gistfile1.js

  //TOUCH EVENTS
	polyfillRequestAnimFrame(window);

	var touchDragX = 0;
	var lastTouchX = 0;
	var sliderapi = null;

	function onTouchStart (event) {
		touchDragX = 0;
		var touchPos = getTouchPos(event);
		lastTouchX = touchPos.pageX;
		sliderapi = $(this).parent(".slideshow").data( 'cycle.API' );
	}
	function onTouchMove (event) {
		var touchPos = getTouchPos(event);
		touchDragX = touchPos.pageX - lastTouchX;
	}
	function getTouchPos (event) {
		if ( !!event && !!event.originalEvent && !!event.originalEvent.touches && !!event.originalEvent.touches[0] ) {
			return ({ pageX: event.originalEvent.touches[0].pageX, pageY: event.originalEvent.touches[0].pageY });
		} else if ( !!event && ( !!event.pageX || !!event.pageY ) ) {
			return ({ pageX: event.pageX, pageY: event.pageY });
		}
		return ({ pageX: 0, pageY: 0 });
	}

	function checkSwipe() {
		if ( touchDragX > 100 || touchDragX < -100 ) {
			var method = ""
			if ( touchDragX > 0 ) {
				method = "prev";
			} else if (  touchDragX < 0 ) {
				method = "next";
			}
			touchDragX = 0;
			if ( !!sliderapi && !!sliderapi[method] ) {
				sliderapi[method]();
				sliderapi = null;
			}
		}
		window.requestAnimationFrame( checkSwipe );
	}
	checkSwipe();


	//$(".slideshow").on("mousedown", ".slide", onTouchStart );
	$(".cycle-slideshow").on("touchstart", ".slide", onTouchStart );

	//$(".slideshow").on("mouseup", ".slide", onTouchEnd );
	$(".cycle-slideshow").on("touchmove", ".slide", onTouchMove );