function hideDiv() { 
		if (document.getElementById) { // DOM3 = IE5, NS6 
			document.getElementById('divpanier').style.visibility = 'hidden'; 
		}else { 
			if (document.layers) { // Netscape 4 
				document.divpanier.visibility = 'hidden'; 
			} 
			else { // IE 4 
				document.all.divpanier.style.visibility = 'hidden'; 
			} 
		} 
	}
	
	function showDiv() { 
		if (document.getElementById) { // DOM3 = IE5, NS6 
				document.getElementById('divpanier').style.visibility = 'visible'; 
			}else { 
			if (document.layers) { // Netscape 4 
				document.divpanier.visibility = 'visible'; 
			}else { // IE 4 
				document.all.divpanier.style.visibility = 'visible'; 
			} 
		} 
	}