function show(submenu,mainitem)
	{
		var men= submenu;
		document.getElementById(men).style.display='inline';
		document.getElementById(mainitem).style.textDecoration="underline";
	}
function hiden(submenu,mainitem)
	{
		var men=submenu;
		document.getElementById(men).style.display='none';
		document.getElementById(mainitem).style.textDecoration="none";
	}