window.addEvent('domready', function() {
var affiche = "";
var t;
	/*********************MENU DEROULANT*********************/
	$$('.menu > a').addEvent("mouseenter",function(){
		var deroule = this.getNext("ul");
		if (affiche!=""){
			
			if (affiche.getStyle('display')=="block"){
				affiche.setStyle("display","none");	
				affiche.setStyle('opacity', '0');
			}
		}
		if (deroule!=null){
			if (Browser.ie7){
				deroule.setStyle('left',426);
			}
			deroule.setStyle('opacity','0');
			deroule.setStyle('display','block');
			deroule.set('tween', {duration: '400'});
			deroule.tween('opacity', '1');
			affiche = deroule;
		}
		clearTimeout(t);
		t = window.setTimeout(hide,3000);
	});
	
	function hide(){
		if (affiche!=""){
			
			if (affiche.getStyle('display')=="block"){
				affiche.setStyle("display","none");	
				affiche.setStyle('opacity', '0');
			}
		}
	}	

});