//Fonctions du menu
  function montre(id) {
	  if (document.getElementById(id) && document.getElementById) {
			if(document.getElementById(id).style.display=="block")
		  	document.getElementById(id).style.display="none";
			else
		  	document.getElementById(id).style.display="block";
		} else if (document.getElementById(id) && document.all) {
		  if(document.all[id].style.display=="block")
		  	document.all[id].style.display="none";
			else
		  	document.all[id].style.display="block";
		} else if (document.getElementById(id) && document.layers) {
			if(document.layers[id].display=="block")
		  	document.layers[id].display="none";
			else
		  	document.layers[id].display="block";
		} } 

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