function postevisible(name)
{
	Navigateur = navigator.appName; 
	if (Navigateur == 'Netscape')
	{ 
		if 	(parseInt(navigator.appVersion) >= 5 ){
			document.getElementById(eval("name")).style.visibility="visible";
			}
		else{
			document.layers[eval("name")].visibility="show";}
	} 
	if (Navigateur == 'Microsoft Internet Explorer') 
	{ 
		document.all[eval("name")].style.visibility="visible";
	} 
}
function posteinvisible(name)
{
	Navigateur = navigator.appName; 
	if (Navigateur == 'Netscape')
	{ 
		if 	(parseInt(navigator.appVersion) >= 5 ){
			document.getElementById(eval("name")).style.visibility="hidden";
			}
		else{
			document.layers[eval("name")].visibility="hide";}
	} 
	if (Navigateur == 'Microsoft Internet Explorer') 
	{ 
		document.all[eval("name")].style.visibility="hidden";
	} 
}