window.addEvent('domready', function() {
	
            var m = $('scroll-limit');
            var fxTween = new Fx.Tween(m,
                {
                    property: 'margin-top',
                    duration: 1000,
                    wait: true,
                    transition: Fx.Transitions.Expo.easeOut
		    }
            );  	
	
	$$('.menu li a').each(function(el){
		
		var scrollId = $(''+el.id+'_h2').getPosition();
		el.addEvent('click', function(event) {

			fxTween.cancel()
			fxTween.start(-scrollId.y+156);
		});			
	});
});