var currentNav = "";
var navArray = new Array("nav1", "nav2", "nav3", "nav5", "nav6", "nav7", "nav8", "nav9", "nav10", "nav11", "nav12", "nav13", "nav14", "nav15", "nav16", "nav17", "nav18"); 
var buildingSubs = new Array("nav10", "nav11", "nav12", "nav13", "nav14", "nav15");


function initialize(nav)
{
	currentNav = nav;
	if (nav)
	{
		for (i = 0; i < buildingSubs.length; i++)
		{
			if (nav == buildingSubs[i])
			{
				document.getElementById(currentNav).style.visibility = 'visible';
				document.getElementById(buildingSubs[0]).style.visibility = 'visible';
				document.getElementById('lyr1').onmouseover = hideAll;
				return;
			}
		}
		document.getElementById(currentNav).style.visibility = 'visible';
	}
	document.getElementById('lyr1').onmouseover = hideAll;
	
}

function showNav(nav)
{
	if (document.getElementById(nav).style.visibility == 'visible')
	{
		return;
	}
	
	var secondNav = '';
	for (i = 0; i < buildingSubs.length; i++)
	{
		if (currentNav == buildingSubs[i])
		{
			secondNav = buildingSubs[0];
		}
	}
	
	for (i = 0; i < navArray.length; i++)
	{
		if (nav == navArray[i])
		{
			document.getElementById(nav).style.visibility = 'visible';
		}
		else
		{
			if (navArray[i] != currentNav && navArray[i] != secondNav)
			{
				document.getElementById(navArray[i]).style.visibility = 'hidden';
			}
		}
	}
}

function show2Nav(n1, n2)
{
	var secondNav = '';
	for (i = 0; i < buildingSubs.length; i++)
	{
		if (currentNav == buildingSubs[i])
		{
			secondNav = buildingSubs[0];
		}
	}
	for (i = 0; i < navArray.length; i++)
	{
		if (n1 == navArray[i] || n2 == navArray[i])
		{
			document.getElementById(navArray[i]).style.visibility = 'visible';
		}
		else
		{
			if (navArray[i] != currentNav && navArray[i] != secondNav)
			{
				document.getElementById(navArray[i]).style.visibility = 'hidden';
			}
		}
	}
}

function hideNav(nav)
{
	if (nav != currentNav)
	{
		document.getElementById(nav).style.visibility = 'hidden';
	}
}

function hide2Nav(n1, n2)
{
	if (n1 != currentNav && n2 != currentNav)
	{
		document.getElementById(n1).style.visibility = 'hidden';
		document.getElementById(n2).style.visibility = 'hidden';
	}
}

function hideAll()
{
	var secondNav = '';
	for (i = 0; i < buildingSubs.length; i++)
	{
		if (currentNav == buildingSubs[i])
		{
			secondNav = buildingSubs[0];
		}
	}
	for (i = 0; i < navArray.length; i++)
	{
		if (navArray[i] != currentNav && navArray[i] != secondNav)
		{
			document.getElementById(navArray[i]).style.visibility = 'hidden';
		}
	}
}


var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));

try {
var pageTracker = _gat._getTracker("UA-15467880-24");
pageTracker._trackPageview();
} catch(err) {}