function montre(id)
{
	if (document.getElementById){
		document.getElementById(id).style.display="block";
	}
	else if (document.all)
		{
			document.all[id].style.display="block";
		} 
		else 
			if (document.layers)
			{
				document.layers[id].display="block";
			}
}

function cache(id) 
{
	if (document.getElementById) 
	{
		document.getElementById(id).style.display="none";
	}
	else 
		if (document.all) 
		{
			document.all[id].style.display="none";
		} 
		else 
			if (document.layers) 
			{
				document.layers[id].display="none";
			}
}