function swap (imageName, imageFile) {

    if (!document.images) {
        return;
    } else {
        eval('document.images[imageName].src = '+ imageFile +'.src');
    }
}

if (document.images) {

    buttonHomeA = new Image(128, 50); buttonHomeA.src = "/images/buttonHome.png";
    buttonHomeB = new Image(128, 50); buttonHomeB.src = "/images/buttonHome_over.png";

	buttonServicesA = new Image(128, 50); buttonServicesA.src = "/images/buttonServices.png";  
	buttonServicesB = new Image(128, 50); buttonServicesB.src = "/images/buttonServices_over.png";
	
	buttonPrefixesA = new Image(128, 50); buttonPrefixesA.src = "/images/buttonPrefixes.png";  
	buttonPrefixesB = new Image(128, 50); buttonPrefixesB.src = "/images/buttonPrefixes_over.png";
	
	buttonFaqsA = new Image(128, 50); buttonFaqsA.src = "/images/buttonFaqs.png";  
	buttonFaqsB = new Image(128, 50); buttonFaqsB.src = "/images/buttonFaqs_over.png";

	buttonContactA = new Image(128, 50); buttonContactA.src = "/images/buttonContact.png";  
	buttonContactB = new Image(128, 50); buttonContactB.src = "/images/buttonContact_over.png";

	buttonPersonalA = new Image(128, 50); buttonPersonalA.src = "/images/buttonPersonal.png";  
	buttonPersonalB = new Image(128, 50); buttonPersonalB.src = "/images/buttonPersonal_over.png";
	
	buttonPartnersA = new Image(128, 50); buttonPartnersA.src = "/images/buttonPartners.png";  
	buttonPartnersB = new Image(128, 50); buttonPartnersB.src = "/images/buttonPartners_over.png";
	
	buttonTestimonialsA = new Image(128, 50); buttonTestimonialsA.src = "/images/buttonTestimonials.png";  
	buttonTestimonialsB = new Image(128, 50); buttonTestimonialsB.src = "/images/buttonTestimonials_over.png";
	
		
	buttonFacebookA = new Image(52, 50); buttonFacebookA.src = "/images/buttonFacebook.png";  
	buttonFacebookB = new Image(52, 50); buttonFacebookB.src = "/images/buttonFacebook_over.png";
}