function loadImages(){
  homeover = new Image(108,32); 
  homeover.src = "../images/btn-home-over.png";

  galleryover = new Image(169,32); 
  galleryover.src = "../images/btn-gallery-over.png";

  aboutover = new Image(199,32); 
  aboutover.src = "../images/btn-about-over.png";

  servicesover = new Image(115,32); 
  servicesover.src = "../images/btn-services-over.png";

  faqover = new Image(87,32); 
  faqover.src = "../images/btn-faq-over.png";

  contactover = new Image(109,32); 
  contactover.src = "../images/btn-contact-over.png";

  requestover = new Image(173,32); 
  requestover.src = "../images/btn-request-over.png";
}