bas = new Image();
bas.src = '../images/bas_off.jpg';
bas_over = new Image();
bas_over.src = '../images/bas_on.jpg';

product = new Image();
product.src = '../images/product_off.jpg';
product_over = new Image();
product_over.src = '../images/product_on.jpg';

locatie = new Image();
locatie.src = '../images/locatie_off.jpg';
locatie_over = new Image();
locatie_over.src = '../images/locatie_on.jpg';

spec = new Image();
spec.src = '../images/spec_off.jpg';
spec_over = new Image();
spec_over.src = '../images/spec_on.jpg';

referenties = new Image();
referenties.src = '../images/referenties_off.jpg';
referenties_over = new Image();
referenties_over.src = '../images/referenties_on.jpg';

contact = new Image();
contact.src = '../images/contact_off.jpg';
contact_over = new Image();
contact_over.src = '../images/contact_on.jpg';

vacature = new Image();
vacature.src = '../images/vacatures_off.jpg';
vacature_over = new Image();
vacature_over.src = '../images/vacatures_on.jpg';

function navRoll(navName,navState) {
	if (document.images) {
		document.images[navName].src = eval(navState + ".src");
	}
}