// Panelvalto es hasonlo funkciok

function showpanel(panelid) {
	selected_panel = document.getElementById(panelid);
	if (selected_panel) {
		selected_panel.style.display = '';
	}
}

function hidepanel(panelid) {
	selected_panel = document.getElementById(panelid);
	if (selected_panel) {
		selected_panel.style.display = 'none';
	}
}

function hideallpanels() {
	for (i=1;i<=9;i++) {
		hidepanel('panel'+i);
	}
}

function menuselect(menuno) {
	selected_menu = document.getElementById('menu'+menuno);
	if (selected_menu) {
		selected_menu.className = 'current';
	}
}

function demenu(menuno) {
	selected_menu = document.getElementById('menu'+menuno);
	if (selected_menu) {
		selected_menu.className = '';
	}
}

function deselect_menu() {
	for (i=1;i<=9;i++) {
		demenu(i);
	}
}

function getpanel(panelno) {
	hideallpanels();
	deselect_menu();
	menuselect(panelno);
	showpanel('panel'+panelno);
}