/* Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Version: 3.0.2
 * 
 * Requires: 1.2.2+
 */
(function(c) {
	var a = ["DOMMouseScroll", "mousewheel"];
	c.event.special.mousewheel = {
		setup: function() {
			if (this.addEventListener) {
				for (var d = a.length; d;) {
					this.addEventListener(a[--d], b, false)
				}
			} else {
				this.onmousewheel = b
			}
		},
		teardown: function() {
			if (this.removeEventListener) {
				for (var d = a.length; d;) {
					this.removeEventListener(a[--d], b, false)
				}
			} else {
				this.onmousewheel = null
			}
		}
	};
	c.fn.extend({
		mousewheel: function(d) {
			return d ? this.bind("mousewheel", d) : this.trigger("mousewheel")
		},
		unmousewheel: function(d) {
			return this.unbind("mousewheel", d)
		}
	});

	function b(f) {
		var d = [].slice.call(arguments, 1),
			g = 0,
			e = true;
		f = c.event.fix(f || window.event);
		f.type = "mousewheel";
		if (f.wheelDelta) {
			g = f.wheelDelta / 120
		}
		if (f.detail) {
			g = -f.detail / 3
		}
		d.unshift(f, g);
		return c.event.handle.apply(this, d)
	}
})(jQuery);