function MenuUkaz(nazev)
{
	MenuSkryjVse();
	document.getElementById(nazev).style.visibility = "visible";
}

function MenuSkryj(nazev)
{
	document.getElementById(nazev).style.visibility = "hidden";
}

function MenuSkryjVse()
{
	MenuSkryj("mnuKamnaKrby");
	MenuSkryj("mnuRenVykup");
	MenuSkryj("mnuOzdMal");
	MenuSkryj("mnuONas");
}

function setMenu()
{
	var stred = document.body.clientWidth / 2;
	if (navigator.appName == "Microsoft Internet Explorer")
	{
		document.getElementById("mnuKamnaKrby").style.left = stred - 389 + "px";
		document.getElementById("mnuRenVykup").style.left = stred - 111 + "px";
		document.getElementById("mnuOzdMal").style.left = stred + 16 + "px";
		document.getElementById("mnuONas").style.left = stred + 212 + "px";
	}
	else
	{
		document.getElementById("mnuKamnaKrby").style.left = stred - 390 + "px";
		document.getElementById("mnuRenVykup").style.left = stred - 112 + "px";
		document.getElementById("mnuOzdMal").style.left = stred + 15 + "px";
		document.getElementById("mnuONas").style.left = stred + 211 + "px";
	}
}