function handle(delta) {
	thisMovie('typhoon').mouseScroll(delta);
	return false;
}


function wheel(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 (delta){
		handle(delta);
	}
	if (event.preventDefault){
		event.preventDefault();
	}
	
	event.returnValue = false;
}


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

function thisMovie(movieName){
	if (navigator.appName.indexOf("Microsoft") != -1) {
		return window[movieName];
	} else {
		return document[movieName];
	}
}