function ouvrir(Id){
		if(document.getElementById(Id)){
			document.getElementById(Id).style.visibility = 'visible';
		}
	}
	
	function fermerPrincipaux(){

			tbl_menu_js_principaux = new Array('16','24','116','17','20','25','118','234','249','465');
			for(i=0;i<tbl_menu_js_principaux.length;i++){
				if(document.getElementById('menu_js' + tbl_menu_js_principaux[i])){
					document.getElementById('menu_js' + tbl_menu_js_principaux[i]).style.visibility = 'hidden';
				}
			}
			
	}
	function fermerSous(sauf){

			tbl_menu_js_sous = new Array('21','23','22','30','29','31','32','33','34','121','119','120','122','123','126','124','127','128','129','130','131','132','133','134','135','136','137','138','139','140','141','142','143','155','156','157','158','159','160','170','161','163','164','165','166','167','168','169','171','235','236','250','251','268','269','333');
			for(i=0;i<tbl_menu_js_sous.length;i++){
				if(document.getElementById('menu_js' + tbl_menu_js_sous[i])){
					document.getElementById('menu_js' + tbl_menu_js_sous[i]).style.visibility = 'hidden';
				}
			}
			
		if(sauf != ''){
			tmp = sauf.split(',');
			for(i=0;i<tmp.length-1;i++){
				ouvrir(tmp[i]);
			}
		}
	}
	
	function fermerTout(){
		fermerPrincipaux();
		fermerSous('');

			if(document.getElementById('a_menu_principal_16')){
				document.getElementById('a_menu_principal_16').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_24')){
				document.getElementById('a_menu_principal_24').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_116')){
				document.getElementById('a_menu_principal_116').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_17')){
				document.getElementById('a_menu_principal_17').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_20')){
				document.getElementById('a_menu_principal_20').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_25')){
				document.getElementById('a_menu_principal_25').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_30')){
				document.getElementById('a_menu_30').className = 'a_js_fleche';
			}
			
			if(document.getElementById('a_menu_31')){
				document.getElementById('a_menu_31').className = 'a_js_fleche';
			}
			
			if(document.getElementById('a_menu_32')){
				document.getElementById('a_menu_32').className = 'a_js_fleche';
			}
			
			if(document.getElementById('a_menu_principal_118')){
				document.getElementById('a_menu_principal_118').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_132')){
				document.getElementById('a_menu_132').className = 'a_js_fleche';
			}
			
			if(document.getElementById('a_menu_170')){
				document.getElementById('a_menu_170').className = 'a_js_fleche';
			}
			
			if(document.getElementById('a_menu_principal_234')){
				document.getElementById('a_menu_principal_234').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_249')){
				document.getElementById('a_menu_principal_249').className = 'a_haut';
			}
			
			if(document.getElementById('a_menu_principal_465')){
				document.getElementById('a_menu_principal_465').className = 'a_haut';
			}
			
	}