// Generic rollover functions

function overImage(imgName) {
	if (document.images) {
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;	
	}
}

function offImage(imgName) {
	if (document.images) {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;	
	}
}

function loadImages() {
	loginon = new Image();
	loginon.src = "/images/login1.gif";
	loginoff = new Image();
	loginoff.src = "/images/login0.gif";
	resourceson = new Image();
	resourceson.src = "/images/resources1.gif";
	resourcesoff = new Image();
	resourcesoff.src = "/images/resources0.gif";
	newson = new Image();
	newson.src = "/images/news1.gif";
	newsoff = new Image();
	newsoff.src = "/images/news0.gif";
	programson = new Image();
	programson.src = "/images/programs1.gif";
	programsoff = new Image();
	programsoff.src = "/images/programs0.gif";
	abouton = new Image();
	abouton.src = "/images/about1.gif";
	aboutoff = new Image();
	aboutoff.src = "/images/about0.gif";
	homeon = new Image();
	homeon.src = "/images/home1.gif";
	homeoff = new Image();
	homeoff.src = "/images/home0.gif";
	makerson = new Image();
	makerson.src = "/images/makers1.gif";
	makersoff = new Image();
	makersoff.src = "/images/makers0.gif";
	seekerson = new Image();
	seekerson.src = "/images/seekers1.gif";
	seekersoff = new Image();
	seekersoff.src = "/images/seekers0.gif";
	facebookAon = new Image();
	facebookAon.src = "/images/facebookA1.gif";
	facebookAoff = new Image();
	facebookAoff.src = "/images/facebookA0.gif";
}

if (document.images) {
	loadImages();
}

// Returns a handle to the named layer.

function getLayer(name) {

	if (document.layers) {
		return(document.layers[name]);
	}
	else {
		layer = document.getElementById(name);
		if (layer) {
			return(layer);
		} else {
			return(null);
		}
	}
}

// Hides the named layer

function hideLayer(name) {

	var layer = getLayer(name);

	if (layer.style) {
		layer.style.visibility="hidden";	
	} else {
		layer.visibility="hide";
	}

}

// Shows the named layer

function showLayer(name) {

	var layer = getLayer(name);

	if (layer.style) {
		layer.style.visibility="visible";	
	} else {
		layer.visibility="show";
	}

}