var currentTab = null;
function naytaMenu(n){
	if(currentTab){
		var t = document.getElementById(currentTab);
		t.className = (t.className.indexOf("locked") > -1 ? "locked" : "");
		try{
			document.getElementById("submenu_"+currentTab).style.display = "none";
		} catch (x){}
		currentMenu = null;
	}
	if(n){
		var t = document.getElementById(n);
		t.className = (t.className.indexOf("locked") > -1 ? "locked selected" : "selected");
		try{
			document.getElementById("submenu_"+n).style.display = "block";
		} catch (x){}
		currentTab = n;
	}
}