function Voir(Calque1)
{
	var obj;
	if(document.layers)
		{obj = document.layers[Calque1];}
	else if(document.getElementById)
		{obj = document.getElementById(Calque1);}
	else if(document.all)
		{document.all[Calque1];}
	obj.className = 'divtout';
}

function Cache(Calque1)
{
	var obj;
	if(document.layers)
		{obj = document.layers[Calque1];}
	else if(document.getElementById)
		{obj = document.getElementById(Calque1);}
	else if(document.all)
		{document.all[Calque1];}
	obj.className = 'divhidden';
}