$.extend($.support, {
        touch: "ontouchend" in document
});

//
// Hook up touch events
//
$.fn.addTouch = function() {
        if ($.support.touch) {
                this.each(function(i,el){
                        el.addEventListener("touchstart", iPadTouchHandler, false);
                        el.addEventListener("touchmove", iPadTouchHandler, false);
                        el.addEventListener("touchend", iPadTouchHandler, false);
                        el.addEventListener("touchcancel", iPadTouchHandler, false);
                });
        }
};

var lastTap = null;