function selectMenu(id)
{
	clearTimeout(submenuTO);
	var div = document.getElementById('topsubmenudiv');
	
	if (oldId != 0 && oldId != currSubmenu)
	{
		var currMenuItem = document.getElementById('topmenu_' + oldId);
		currMenuItem.style.background = '';
	}
	
	if (id == 0)
	{
		div.innerHTML = '';
	}
	else
	{
		div.innerHTML = submenus[id];
		
		var currMenuItem = document.getElementById('topmenu_' + id);
		currMenuItem.style.background = 'url(\'/images/active_menu_bg.gif\') bottom center no-repeat';
	}
	
	oldId = id;
}

function prepareToHideSubmenu()
{
	submenuTO = setTimeout('selectMenu(currSubmenu)', 300);
}