function MenuUkaz(nazev)
{
	MenuSkryjVse();
	document.getElementById(nazev).style.display = "block";
}

function MenuSkryj(nazev)
{
	document.getElementById(nazev).style.display = "none";
}

function MenuSkryjVse()
{
	MenuSkryj("submenu-galerie");
}

function SetMenu()
{
	var stred = document.body.clientWidth / 2;
	if (navigator.appName == "Microsoft Internet Explorer")
	{
		document.getElementById("submenu-galerie").style.left = stred + 299 + "px";
	}
	else
	{
		document.getElementById("submenu-galerie").style.left = stred + 299 + "px";
	}
}