window.addEvent('domready', function() {
	if (!Browser.Engine.trident)
	{
		$$('ul#gammes dl').addEvent('mouseenter', function() {
			var width = 0;
			this.getElements('li').each(function(elt) {
				width += elt.getWidth();
			});
			this.getElement('ul').morph({width: width+50, padding: '5px'});
		
		});
		$$('ul#gammes dl').addEvent('mouseleave', function() {
			this.getElement('ul').morph({width: 0, padding: '0px'});
		});
	}
});