function SetDefaultState()
{
	Hide('Menu_Teaching_Schedule_Submenu');
	Hide('Menu_Clinicians_Submenu');
	Hide('Menu_Self-Help_Materials_Submenu');
}	

function HideAll()
{
	Hide('Menu_PlaceHolder');
	Hide('Menu_Teaching_Schedule_Submenu');
	Hide('Menu_Clinicians_Submenu');
	Hide('Menu_Self-Help_Materials_Submenu');
}

function Show(nr)
{
	
	if (document.layers)
	{
		document.layers[nr].visibility = 'show';
	}
	else if (document.all)
	{
		document.all[nr].style.visibility = 'visible';
	}
	else if (document.getElementById)
	{
		document.getElementById(nr).style.visibility = 'visible';
	}

	if (document.layers)
	{
		document.layers[nr].display = 'block';
	}
	else if (document.all)
	{
		document.all[nr].style.display = 'block';
	}
	else if (document.getElementById)
	{
		document.getElementById(nr).style.display = 'block';
	}	
		
}

function Hide(nr)
{
	
	if (document.layers)
	{
		document.layers[nr].visibility = 'hide';
	}
	else if (document.all)
	{
		document.all[nr].style.visibility = 'hidden';
	}
	else if (document.getElementById)
	{
		document.getElementById(nr).style.visibility = 'hidden';
	}

	if (document.layers)
	{
		document.layers[nr].display = 'none';
	}
	else if (document.all)
	{
		document.all[nr].style.display = 'none';
	}
	else if (document.getElementById)
	{
		document.getElementById(nr).style.display = 'none';
	}	
		
}