window.addEvent('load', function(){
			var scroll = new Fx.Scroll('compare', {
	wait: false,
	duration: 1000,
	offset: {'x': 0, 'y': 0},
	transition: Fx.Transitions.Quad.easeInOut
	
});


$$("#changecarte a").each(function(el){
		//scroll[duration]=5000;
	el.addEvent('click',function(event) {		
		event = new Event(event).stop();
		//.............
		lien=this.href;
		where=(lien.substring(lien.indexOf("#")+1));
		scroll.toElement(where);


	});
	
});

});