var menucurrent = null;
var menuactive = null;
var menutimer = null;

function menushow(id)
{
	var o = null;
	o = document.getElementById('menu1-'+id);
	if (o)
		o.className = 'menu1-item-selected';
	o = document.getElementById('menu2-'+id);
	if (o)
		o.style.display = 'block';
}

function menuhide(id)
{
	var o = null;
	o = document.getElementById('menu1-'+id);
	if (o)
		o.className = 'menu1-item';
	o = document.getElementById('menu2-'+id);
	if (o)
		o.style.display = 'none';
}

function menuinit(id)
{
	menushow(id);
	menucurrent = id;
}

function menuover(id)
{
	if (menutimer != null)
	{
		clearTimeout(menutimer);
		if (menuactive != id)
			menuoutnow(menuactive);
	}
	if (menucurrent != id)
	{
		menuhide(menucurrent);
		menushow(id);
	}
	menuactive = id;
}

function menuout(id)
{
	menutimer = setTimeout("menuoutnow('"+id+"')", 1000);
}

function menuoutnow(id)
{
	if (menucurrent != id)
	{
		menuhide(id);
		menushow(menucurrent);
	}
	menutimer = null;
	menuactive = null;
}

function calendar(month)
{
	if (month)
		Load('calendar', '/kalendar?month='+month);
	else
		Load('calendar', '/kalendar');
}