// Interaction with the Header and Footer

// variables

var soundOn = true;
var debugInteraction = true;



// preload Images
header = new Image(956, 94)
header.src = "imgPng/header.png"

headerOver = new Image(956, 94)
headerOver.src = "imgPng/headerOver.png"

footer = new Image(956, 94)
footer.src = "imgPng/footer.png"

footerOver = new Image(956, 94)
footerOver.src = "imgPng/footerOver.png"




// sound roll over + on off -------------------
function soundOver() {
	document.headSpace.src = headerOver.src; 
	return true;
}

function soundOut() {
	document.headSpace.src = header.src; 
	return true;
}

function soundChange(){
	soundOn = !soundOn;
	return false;			// don't change page
	if (debugInteraction == true){console.dir("soundOn value: "+ soundOn)};
	
}

// email roll over  ---------------------------
function mailOver() {
	document.footSpace.src = footerOver.src; 
	return true;
}

function mailOut() {
	document.footSpace.src = footer.src; 
	return true;
}