var navFocus = false;
var navMenuFocus = false;

function navOver(oButt)
{
	var htmlToLoad = eval(document.getElementById(oButt.id + "X"));
	document.getElementById('navMenuLyr').innerHTML = htmlToLoad.innerHTML;
	document.getElementById('navMenuLyr').style.left = oButt.offsetLeft;
	oButt.style.color = "#BDD4E9";
}

function navOver2(oButt)
{
	hideLyr('navMenuLyr');
	oButt.style.color = "#BDD4E9";
}

function navOut(oButt)
{
	oButt.style.color = "#FFFFFF";	
}

function checkNav()
{
	if(!navFocus && !navMenuFocus && (document.getElementById('navMenuLyr').style.visibility == "visible"))
		hideLyr('navMenuLyr');
}

var selTmpBackground = '';

function selOver(oMenu)
{
	selTmpBackground = oMenu.style.backgroundColor;
	oMenu.style.backgroundColor="#BDD4E9";
}

function selOut(oMenu)
{
	oMenu.style.backgroundColor = selTmpBackground;
}

function jumpTo(pageURL)
{
	if(pageURL != "")
		window.location = pageURL;
}

// toggle visible layer

function showLyr(TheLayer)
{
	if(!document.getElementById(TheLayer))
		return false;
	document.getElementById(TheLayer).style.visibility = "visible";
}

function hideLyr(TheLayer)
{
	if(!document.getElementById(TheLayer))
		return false;
	document.getElementById(TheLayer).style.visibility = "hidden";
}

// toggle hidden layer

function tglHiddenLyr(TheLayer)
{
	if(!document.getElementById(TheLayer))
		return false;
	if(document.getElementById(TheLayer).style.visibility == "hidden")
		showLyr(TheLayer);
	else
		hideLyr(TheLayer);
}