home = new Image(157,53)

home.src = "images/home-red-button.jpg" 

about = new Image(136,53)

about.src = "images/about-red-button.jpg" 

products = new Image(136,53)

products.src = "images/products-red-button.jpg" 

contact = new Image(166,53)

contact.src = "images/contact-red-button.jpg"