var nameDivs = new Array(
	'about',
	'apply',
	'adinfo',
	'reginfo',
	'clas',
	'divdepts',
	'stuser');
	

function everyonElse(currentLayer, parentLayer, childLayer)
{
	
	for (i = 0; i < nameDivs.length; i++)
	{
		if(nameDivs[i] != currentLayer)
		{
			if(nameDivs[i] != parentLayer )
			{ document[nameDivs[i]].visibility = "hide"; }
		}
		else if(childLayer)
		{
			document[nameDivs[i]].visibility = "hide";
		}
	
	}
	
	document.clearlayers.visibility = "show";
}

// About
function showabout()
{	
	if (document.all)
	{
		about.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.about.visibility = "show";
		everyonElse('about');
	}
	else
	{
		var temp = document.getElementById('about');
		temp.style.visibility = "visible";
	}
}

function hideabout()
{	
	if (document.all)
	{
		about.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('about');
	}
	else
	{
		var temp = document.getElementById('about');
		temp.style.visibility = "hidden";
	}
}

// Apply and Register
function showapply()
{	
	if (document.all)
	{
		apply.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.apply.visibility = "show";
		everyonElse('apply');
	}
	else
	{
		var temp = document.getElementById('apply');
		temp.style.visibility = "visible";
	}
}

function hideapply()
{	
	if (document.all)
	{
		apply.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('apply');
	}
	else
	{
		var temp = document.getElementById('apply');
		temp.style.visibility = "hidden";
	}
}

// Apply and Register > Admissions
function showadinfo()
{	
	if (document.all)
	{
		adinfo.style.visibility = "visible";
		apply.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.adinfo.visibility = "show";
		everyonElse('adinfo','apply');
	}
	else
	{
		var temp = document.getElementById('adinfo');
		temp.style.visibility = "visible";
		var temp2 = document.getElementById('apply');
		temp2.style.visibility = "visible";
	}
}

function hideadinfo(hidechild)
{	
	if (document.all)
	{
		adinfo.style.visibility = "hidden";
		apply.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('adinfo','apply', hidechild);
	}
	else
	{
		var temp = document.getElementById('adinfo');
		temp.style.visibility = "hidden";
		var temp2 = document.getElementById('apply');
		temp2.style.visibility = "hidden";
	}
}

// Apply and Register > Registration
function showreginfo()
{	
	if (document.all)
	{
		reginfo.style.visibility = "visible";
		apply.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.reginfo.visibility = "show";
		everyonElse('reginfo','apply');
	}
	else
	{
		var temp = document.getElementById('reginfo');
		temp.style.visibility = "visible";
		var temp2 = document.getElementById('apply');
		temp2.style.visibility = "visible";
	}
}

function hidereginfo(hidechild)
{	
	if (document.all)
	{
		reginfo.style.visibility = "hidden";
		apply.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('reginfo','apply', hidechild);
	}
	else
	{
		var temp = document.getElementById('reginfo');
		temp.style.visibility = "hidden";
		var temp = document.getElementById('apply');
		temp.style.visibility = "hidden";
	}
}

// Course Information
function showclas()
{	
	if (document.all)
	{
		clas.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.clas.visibility = "show";
		everyonElse('clas');
	}
	else
	{
		var temp = document.getElementById('clas');
		temp.style.visibility = "visible";
	}
}

function hideclas()
{	
	if (document.all)
	{
		clas.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('clas');
	}
	else
	{
		var temp = document.getElementById('clas');
		temp.style.visibility = "hidden";
	}
}

// Course Information > Divisions and Departments
function showdivdepts()
{	
	if (document.all)
	{
		clas.style.visibility = "visible";
		divdepts.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.divdepts.visibility = "show";
		everyonElse('clas','divdepts');
	}
	else
	{
		var temp = document.getElementById('clas');
		temp.style.visibility = "visible";
		var temp2 = document.getElementById('divdepts');
		temp2.style.visibility = "visible";
	}
}

function hidedivdepts(hidechild)
{	
	if (document.all)
	{
		clas.style.visibility = "hidden";
		divdepts.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('clas','divdepts', hidechild);
	}
	else
	{
		var temp = document.getElementById('clas');
		temp.style.visibility = "hidden";
		var temp = document.getElementById('divdepts');
		temp.style.visibility = "hidden";
	}
}

// Student Services
function showstuser()
{	
	if (document.all)
	{
		stuser.style.visibility = "visible";
	}
	else if (document.layers)
	{
		document.stuser.visibility = "show";
		everyonElse('stuser');
	}
	else
	{
		var temp = document.getElementById('stuser');
		temp.style.visibility = "visible";
	}
}

function hidestuser()
{	
	if (document.all)
	{
		stuser.style.visibility = "hidden";
	}
	else if (document.layers)
	{
		everyonElse('stuser');
	}
	else
	{
		var temp = document.getElementById('stuser');
		temp.style.visibility = "hidden";
	}
}