if (document.images) {
  image0over = new Image(); image0over.src = "/img/nav_home_over.gif";
  image1over = new Image(); image1over.src = "/img/nav_about_over.gif";
  image2over = new Image(); image2over.src = "/img/nav_services_over.gif";
  image3over = new Image(); image3over.src = "/img/nav_clients_over.gif";
  image4over = new Image(); image4over.src = "/img/nav_contact_over.gif";
  image5over = new Image(); image5over.src = "/img/button_more_on.gif";
  image11over = new Image(); image11over.src = "/img/button_more_on.gif";
  image6over = new Image(); image6over.src = "/img/button_go_on.gif";
  image7over = new Image(); image7over.src = "/img/button_go_on.gif";
  image8over = new Image(); image8over.src = "/img/button_go_on.gif";
  image9over = new Image(); image9over.src = "/img/button_submit_on.gif";
  image10over = new Image(); image10over.src = "/img/button_submit_on.gif";
  
  image0on = new Image(); image0on.src = "/img/nav_home_on.gif";
  image1on = new Image(); image1on.src = "/img/nav_about_on.gif";
  image2on = new Image(); image2on.src = "/img/nav_services_on.gif";
  image3on = new Image(); image3on.src = "/img/nav_clients_on.gif";
  image4on = new Image(); image4on.src = "/img/nav_contact_on.gif";
  image5on = new Image(); image5on.src = "/img/button_more_on.gif";
  image11on = new Image(); image11on.src = "/img/button_more_on.gif";
  image6on = new Image(); image6on.src = "/img/button_go_on.gif";
  image7on = new Image(); image7on.src = "/img/button_go_on.gif";
  image8on = new Image(); image8on.src = "/img/button_go_on.gif";
  image9on = new Image(); image9on.src = "/img/button_submit_on.gif";
  image10on = new Image(); image10on.src = "/img/button_submit_on.gif";
  
  image0off = new Image(); image0off.src = "/img/nav_home_off.gif";
  image1off = new Image(); image1off.src = "/img/nav_about_off.gif";
  image2off = new Image(); image2off.src = "/img/nav_services_off.gif";
  image3off = new Image(); image3off.src = "/img/nav_clients_off.gif";
  image4off = new Image(); image4off.src = "/img/nav_contact_off.gif";
  image5off = new Image(); image5off.src = "/img/button_more_off.gif";
  image11off = new Image(); image11off.src = "/img/button_more_off.gif";
  image6off = new Image(); image6off.src = "/img/button_go_off.gif";
  image7off = new Image(); image7off.src = "/img/button_go_off.gif";
  image8off = new Image(); image8off.src = "/img/button_go_off.gif";
  image9off = new Image(); image9off.src = "/img/button_submit_off.gif";
  image10off = new Image(); image10off.src = "/img/button_submit_off.gif";
  
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}