function menuSwich(id) {
	var menu = document.getElementById("menutab" + id);
	if (menu != null) {
		hideAll();
		if (id != 0) {
			if (menu.style.display=="none")
				menu.style.display="block";
			else
				menu.style.display="none";
		}
	}
	
	var tab = document.getElementById("tab" + id);
	if (tab != null) {
		var i = 0;
		while(true) {
			var tab2 = document.getElementById("tab" + i);
			if (tab2 != null) {
				if (tab == tab2) 
					tab2.className="menubar2";
				else
					tab2.className="menubar";
			} else
				break;
			i++;
		}
	}
}

function hideAll() {
	var tags = document.getElementsByTagName("div");
	if (tags != null) {
		for (var i=0; i < tags.length; i++) {
			if (tags[i].className == "box_close") {
				tags[i].style.display = "none";
			}
		}
	}
}