/**
 * @author
 * Web Design Enterprise
 * Phone: 786.234.6361
 * Website: www.webdesignenterprise.com
 * E-mail: info@webdesignenterprise.com
 * 
 * @copyright 
 * This work is licensed under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License. 
 * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/legalcode
 *
 * Be aware, violating this license agreement could result in the prosecution and punishment of the infractor.
 *
 * © 2002-2009 Web Design Enterprise Corp. All rights reserved.
 */
 
(function($) {
$.event.special.mousewheel = {
	setup: function() {
		var handler = $.event.special.mousewheel.handler;
		// Fix pageX, pageY, clientX and clientY for mozilla
		if ( $.browser.mozilla )
			$(this).bind('mousemove.mousewheel', function(event) {
				$.data(this, 'mwcursorposdata', {
					pageX: event.pageX,
					pageY: event.pageY,
					clientX: event.clientX,
					clientY: event.clientY
				});
			});
	
		if (this.addEventListener)
			this.addEventListener(($.browser.mozilla ? 'DOMMouseScroll' : 'mousewheel'), handler, false);
		else
			this.onmousewheel = handler;
	},
	teardown: function() {
		var handler = $.event.special.mousewheel.handler;
		$(this).unbind('mousemove.mousewheel');
		if (this.removeEventListener)
			this.removeEventListener(($.browser.mozilla ? 'DOMMouseScroll' : 'mousewheel'), handler, false);
		else
			this.onmousewheel = function(){};
		$.removeData(this, 'mwcursorposdata');
	},
	handler: function(event) {
		var args = Array.prototype.slice.call(arguments, 1);
		
		event = $.event.fix(event || window.event);
		// Get correct pageX, pageY, clientX and clientY for mozilla
		$.extend( event, $.data(this, 'mwcursorposdata') || {});
		var delta = 0, returnValue = true;
		if ( event.wheelDelta ) delta = event.wheelDelta/120;
		if ( event.detail     ) delta = -event.detail/3;
//		if ( $.browser.opera  ) delta = -event.wheelDelta;
		event.data  = event.data || {};
		event.type  = "mousewheel";
		// Add delta to the front of the arguments
		args.unshift(delta);
		// Add event to the front of the arguments
		args.unshift(event);
		return $.event.handle.apply(this, args);
	}
};

$.fn.extend({
	mousewheel: function(fn) {
		return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
	},
	unmousewheel: function(fn) {
		return this.unbind("mousewheel", fn);
	}
});

})(jQuery);