// ------------------------------------------------------------------------------------------------------
//fonction d'affichage du menu déroulant
//o = obj et a = action
// ------------------------------------------------------------------------------------------------------
function menu(o,a)
	{ 
	switch (a)
		{
		case "show":
			for (var i = 0; i<o.childNodes.length; i++)
				{
					switch (o.childNodes[i].className)
					{
					case "sMenuBlock" :
						o.childNodes[i].style.display = "block";
						break;

					case "sMenuCont" :
						alert ("sMenuCont");
						o.childNodes[i].style.display = "block";
						break;
					}
				}
			break;
		
		case "hide" :
			for (var i = 0; i<o.childNodes.length; i++)
				{
					switch (o.childNodes[i].className)
					{
					case "sMenuBlock" :
						o.childNodes[i].style.display = "none";
						break;

					case "sMenuCont" :
						o.childNodes[i].style.display = "none";
						break;
					}
				}
			break;
		}
	}
	
function unselectOption(idSelect)
{
	var nb = $(idSelect).options.length;
	$(idSelect).options.selectedIndex = -1;
	/*for(i=0;i<nb;i++)
	{
		$(idSelect).options[i].selected = "";
	}*/
}
// ------------------------------------------------------------------------------------------------------