lib/jquery.event.drag.js
function hijack ( event, type, elem ){
	event.type = type; // force the event type
	var result = ($.event.dispatch || $.event.handle).call( elem, event );
	return result===false ? false : result || event.result;
	}
function hijack ( event, type, elem ){
	event.type = type; // force the event type
	var result = ($.event.dispatch || $.event.handle).call( elem, event );
	return result===false ? false : result || event.result;
	}
function hijack ( event , type , elem ) { event . type = type ; // force the event type var result = ( $ . event . dispatch || $ . event . handle ) . call ( elem , event ) ; return result === false ? false : result || event . result ; }
set event type to custom value, and handle it
set event type to custom value and handle it