function mouseover(name) {
	var id = "nav_" + name;
	$(id).writeAttribute('src','assets/mainmenu/' + name + '_mouseover.png');
}

function mouseout(name) {
	var id = "nav_" + name;
	$(id).writeAttribute('src','assets/mainmenu/' + name + '.png');
}

/*function mouseoverlogo() {
	$('huge').writeAttribute('src','assets/mainmenu/huge_logo_mouse_over.png');
}

function mouseoutlogo() {
	$('huge').writeAttribute('src','assets/mainmenu/huge_logo.png');
}*/