function SWFMacMouseWheel( swfObject ){
	this.so = swfObject;
	var isMac = navigator.appVersion.toLowerCase().indexOf( "mac" ) != -1;
	if( isMac ) this.init();
}

SWFMacMouseWheel.prototype = {
	init: function()
	{
		SWFMacMouseWheel.instance = this;
		if (window.addEventListener){
	        window.addEventListener('DOMMouseScroll', SWFMacMouseWheel.instance.wheel, false);
		}
		window.onmousewheel = document.onmousewheel = SWFMacMouseWheel.instance.wheel;
	},
	
	handle: function( delta )
	{
		if (delta<50 && delta>-50) {
			document[ this.so.getSWFID() ].externalMouseEvent( delta );
		}
		
	},

	wheel: 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( /AppleWebKit/.test(navigator.userAgent) ) {
        	delta /= 3;	
        }
        if (delta)
            SWFMacMouseWheel.instance.handle(delta);
        if (event.preventDefault) event.preventDefault();
			event.returnValue = false;
	}
};