function showMenu(menuid)
{
	if (document.getElementById&&!document.all) document.getElementById(menuid).style.visibility="visible";
	else if(document.all) document.all(menuid).style.visibility = "visible";
	var onid  = "menu_"+menuid;
	var onimg = path+menuid+"_f2.gif";
	MM_swapImage(onid,'',onimg,0);
}

function hideMenu(menuid)
{
	if (document.getElementById&&!document.all) document.getElementById(menuid).style.visibility="hidden";
	else if(document.all) document.all(menuid).style.visibility = "hidden";
	MM_swapImgRestore();
}