function fonc_service (){
this.menu = document.getElementById("liste_service");
	this.submenus = this.menu.getElementsByTagName("div");
	for (var i = 0; i < this.submenus.length; i++){		
		// M MENU FIX //
		if (this.submenus[i].className =="liste_service") {		
			document.getElementById(this.submenus[i].id).onmouseout = function () {
			desactive_serv(this.id)
			}
			
			document.getElementById(this.submenus[i].id).onmouseover = function () {
			active_serv(this.id);
			}		
		}
	}
}

function active_serv(lay){
document.getElementById(lay).className='liste_service_on';
}

function desactive_serv(lay){
if(lapage != lay) {
document.getElementById(lay).className='liste_service';
}
}