function hookMouseWheel() {
	if (window.addEventListener)
		window.addEventListener('DOMMouseScroll', onMouseWheel, false);
	window.onmousewheel = document.onmousewheel = onMouseWheel;
}

function isOverSwf(mEvent) {
	var elem;
	if (mEvent.srcElement) {
		elem = mEvent.srcElement.nodeName;
	} else if (mEvent.target) {
		elem = mEvent.target.nodeName;
	}
	//alert(elem);
	if (elem.toLowerCase() == "object" || elem.toLowerCase() == "embed" || elem.toLowerCase() == "iframe") {
		return true;
	}
return false;
}

function onMouseWheel(event) {
	var delta = 0;
	if (!event)
		event = window.event;
	if (event.wheelDelta) {
		delta = event.wheelDelta/120;
		if (window.opera) delta = -delta;
	} else if (event.detail) {
		delta = -event.detail/3;
	}
	if (isOverSwf(event)) {
		return cancelEvent(event);
	}
	return true;
}

function cancelEvent(e) {
	e = e ? e : window.event;
	if (e.stopPropagation)
		e.stopPropagation();
	if (e.preventDefault)
		e.preventDefault();
	e.cancelBubble = true;
	e.cancel = true;
	e.returnValue = false;
	return false;
}

hookMouseWheel();