function flipSubNav(which)
{
	clearSubNavs();
	
	document.getElementById('sub' + which).style.display = 'block';
}

function clearSubNavs()
{
	for (i=1;i<=7;i++)
	{
		document.getElementById('subnav' + i).style.display = 'none';
	}
}

// Browser sniff
function BrowserCheck()
{
	var b = navigator.appName
	if (b=="Netscape") this.b = "ns"
	else if (b=="Microsoft Internet Explorer") this.b = "ie"
	else this.b = b
	this.v = parseInt(navigator.appVersion)
	this.ns = (this.b=="ns" && this.v>=4)
	this.ns4 = (this.b=="ns" && this.v==4)
	this.ns6 = (this.b=="ns" && this.v==5)
	this.ie = (this.b=="ie" && this.v>=4)
	this.ie4 = (navigator.userAgent.indexOf('MSIE 4')>0)
	this.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0)
	this.ie5b = (navigator.userAgent.indexOf('MSIE 5.5')>0)
	this.ie6 = (navigator.userAgent.indexOf('MSIE 6')>0)
	if (this.ie5) this.v = 5
	if (this.ie6) this.v = 6
	this.min = (this.ns||this.ie)
}

// automatically create the "is" object
is = new BrowserCheck()

var macVersion = '';

var agt2 = navigator.userAgent.toLowerCase();
var isMac = (agt2.indexOf('mac') != -1) ? true : false;
var isIe = (agt2.indexOf('msie') != -1) ? true : false;
var isMacIe = ((agt2.indexOf('msie') != -1) && (agt2.indexOf('mac') != -1)) ? true : false;
var isMacIe50 = ((agt2.indexOf('msie 5.0') != -1) && (agt2.indexOf('mac') != -1)) ? true : false;
var isNS = (agt2.indexOf('netscape') != -1) ? true : false;
var isNS6 = (agt2.indexOf('netscape6') != -1) ? true : false;


function footerFix()
{
	if (!document.getElementById('homePageBody'))
	{
		if ((document.getElementById('contentParentDiv'))&&(document.getElementById('footerDiv')))
		{
			var contentHeight = document.getElementById('contentParentDiv').offsetHeight;
			if (isMacIe == true) {
				document.getElementById('footerDiv').style.top = contentHeight + 100 + 'px';
			} else {
				document.getElementById('footerDiv').style.top = contentHeight + 170 + 'px';
			}
		}
	}
	document.getElementById('footerDiv').style.visibility = 'visible';
}

window.onload = footerFix;