function ExpandMainMenuItem(ActiveMenuItem, ActiveSubMenuItem)
{
	var MenuItem = document.getElementById(ActiveMenuItem);
	var SubMenuItem = document.getElementById(ActiveSubMenuItem);
	
	if (SubMenuItem.style.display == '' || SubMenuItem.style.display == 'none')			
	{
		MenuItem.style.backgroundImage = 'url(images/LinkMinus.gif)';
		SubMenuItem.style.display = 'block';
	}
	else
	{
		MenuItem.style.backgroundImage = 'url(images/LinkPlus.gif)';
		SubMenuItem.style.display = 'none';
	}
}