function navImage(name, width)	{
	var height = 16;
	this.off = new Image(width, height);
	this.off.src = 'resources/images/' + name + '/navoff.gif';
	this.ovr = new Image(width, height);
	this.ovr.src = 'resources/images/' + name + '/navovr.gif';
	return this;
}

function over(name)	{
	if(document.images)	{
		document.images[name + '_btn'].src = navButton[name].ovr.src;
	}
}
function off(name)	{
	if(document.images)	{
		document.images[name + '_btn'].src = navButton[name].off.src;
	}
}

var navButton = new Object();
	navButton.home = new navImage('home', 55);
	navButton.lodge = new navImage('lodge', 57);
	navButton.nordic = new navImage('nordic', 60);
	navButton.area = new navImage('area', 47);
	navButton.directions = new navImage('directions', 104);
	navButton.contact = new navImage('contact', 69);