XWK.flash = {};
XWK.flash.MacWheel = {};

XWK.flash.MacWheel.listener = [];

XWK.flash.MacWheel.init = function() {
	if (XWK.os != "MAC")
		return;
		
	if (window.addEventListener) {
		window.addEventListener('DOMMouseScroll', XWK.flash.MacWheel.onWheel, false);
	}
	window.onmousewheel = document.onmousewheel = XWK.flash.MacWheel.onWheel;
}

XWK.flash.MacWheel.onWheel = function(event){
	var delta = 0;
	if (event.wheelDelta) { /* IE/Opera. */
		delta = event.wheelDelta/120;
		if (window.opera) delta = -delta;
	} else if (event.detail) { /** Mozilla case. */
		delta = -event.detail/3;
	}
	if(XWK.browser == "SAFARI") {
 		delta /= 3;	
	}
	if (delta != 0) {
		var list = XWK.flash.MacWheel.listener;
//		alert("w "+delta);
		for (var i=0; i<list.length; i++) {
			list[i].onWheel(delta);
		}
	}
	
//	if (event.preventDefault) event.preventDefault();
//	event.returnValue = false;
}

XWK.addOnInit([XWK.flash.MacWheel,"init"]);