function show(elem) 
{
	document.getElementById('sousmenu0').style.display = "none";
	document.getElementById('sousmenu1').style.display = "none";
	document.getElementById('sousmenu2').style.display = "none";
	document.getElementById('sousmenu3').style.display = "none";
	document.getElementById('sousmenu4').style.display = "none";
	document.getElementById('sousmenu5').style.display = "none";
	document.getElementById('sousmenu6').style.display = "none";
	
	document.getElementById(elem).style.display = "block";
}