function SetDefaultState()
{
	Hide('Menu_About_Us');
	Hide('Menu_Admission');
	Hide('Menu_School_News_and_Events');
	Hide('Menu_Contact_Us');
}	

function HideAll()
{
	Hide('Menu_About_Us');
	Hide('Menu_Admission');
	Hide('Menu_School_News_and_Events');
	Hide('Menu_Contact_Us');
}

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';
	}	
		
}