var nb_menus = 7;
var margin = 58; //Marge min de 8 
var timerID = new Array(nb_menus);

function montre(id, timer){
	
	if(!timer)
		clearTimeout(timerID[id]);

	for(i = 0 ; i <= nb_menus ; i++){
		
		if($('sous_menu' + i) != null && i != id){
			$('sous_menu' + i).style.display = 'none';	
		}
		
	}
	
	if($('sous_menu' + id) != null){
		$('sous_menu' + id).style.display = 'block';
	}

}
function cache(id){
	
	if($('sous_menu' + id) != null){
		clearTimeout(timerID[id]);
		timerID[id] = setTimeout('cacher_div(' + id + ')', 2000);
	}

}

function cacher_div(id){
	$('sous_menu' + id).style.display = 'none';
}