/* 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.
 * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
 * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
 *
 * 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);