function FechaTodos()
			{
			for (var i = 0; i < document.all.tags("table").length; i++)
			{
			if (document.all.tags("table")[i].id.substr(0, 1) == "M")
			{
			document.all.tags("table")[i].style.display = "none";
			}
			}
			}

			function AbreMenu( x )
			{
			if (document.getElementById( x ).style.display == "none" )
			{
			FechaTodos();
			document.getElementById( x ).style.display = '';
			}
			else
			document.getElementById( x ).style.display = "none";
			}
			
			/**************/
			
			function FechaNivel3()
			{
			for (var i = 0; i < document.all.tags("table").length; i++)
			{
			if (document.all.tags("table")[i].id.substr(0, 2) == "MS")
			{
			document.all.tags("table")[i].style.display = "none";
			}
			}
			}

			function AbreMenu2( x2 )
			{
			if (document.getElementById( x2 ).style.display == "none" )
			{
			FechaNivel3();
			document.getElementById( x2 ).style.display = '';
			}
			else
			document.getElementById( x2 ).style.display = "none";
			}