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";
	}
}