// JavaScript Document

	function escondeSubMenus(id)
	{
		var menu = document.getElementById("menu");
		if( menu != null )
		{
			var subs = menu.getElementsByTagName("span");
			if( subs != null )
			{
				for( ii=0; ii<subs.length; ii++ )
				{
					if(subs[ii].id!="sub"+id)
					{
						subs[ii].style.display = "none";
					}
				}
			}
		}
	}

	function mudaDisplay(submenuid)
	{
		var subm = document.getElementById(submenuid);
		
		if(subm.style.display=="block")
		{
			subm.style.display="none";
		}
		else
		{
			subm.style.display="block";
		}
	}

	function abrirSubMenu(id)
	{
		escondeSubMenus(id);
		mudaDisplay('sub'+id);
	}