function show ( divId , plusId ) {
		if(document.getElementById)
		{
			e = document.getElementById(divId);

			if (e.style.display=="none")
			{
				document.getElementById( plusId ).innerHTML = '<img src="i/puce_moins.gif" width="10" height="16" border="0">';
				e.style.display="";
			}
			else
			{
				document.getElementById( plusId ).innerHTML = '<img src="i/puce_plus.gif" width="10" height="16" border="0">';
				e.style.display="none";
			}
		}
}