Add Drag and Touch Support for iPad

ipad_dragAndTouchSupport.js

$.fn.addTouch = function(){
  this.each(function(i,el){
    $(el).bind('touchstart touchmove touchend touchcancel',function(){
      //we pass the original event object because the jQuery event
      //object is normalized to w3c specs and does not provide the TouchList
      handleTouch(event);
    });
  });
 
  var handleTouch = function(event)
  {
    var touches = event.changedTouches,
            first = touches[0],
            type = '';
 
    switch(event.type)
    {
      case 'touchstart':
        type = 'mousedown';
        break;
 
      case 'touchmove':
        type = 'mousemove';
        event.preventDefault();
        break;
 
      case 'touchend':
        type = 'mouseup';
        break;
 
      default:
        return;
    }
 
    var simulatedEvent = document.createEvent('MouseEvent');
    simulatedEvent.initMouseEvent(type, true, true, window, 1, first.screenX, first.screenY, first.clientX, first.clientY, false, false, false, false, 0/*left*/, null);
    first.target.dispatchEvent(simulatedEvent);
  };
};