function show(obj)
{
	var submenu=obj.parentNode;
	submenu.getElementsByTagName("ul")[0].style.display="block";
}
function hide(obj)
{
	var submenu=obj.parentNode;
	submenu.getElementsByTagName("ul")[0].style.display="none";
}
function show2(obj)
{
	var submenu=obj.parentNode.parentNode.parentNode;
	submenu.getElementsByTagName("ul")[0].style.display="block";
}
function hide2(obj)
{
	var submenu=obj.parentNode.parentNode.parentNode;
	submenu.getElementsByTagName("ul")[0].style.display="none";
}