MOUSEWHEEL JQUERY Coffee

gistfile1.txt

$.fn.mousewheel = (handler)->
		target = $(@)[0]
		if target.addEventListener
			target.addEventListener("mousewheel", handler, false);
			target.addEventListener("DOMMouseScroll", handler, false);
		else 
			target.attachEvent("onmousewheel", handler);
		@
		
// DIRECTION

e = window.event || e;
delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail  || -e.originalEvent.detail)));