if (document.images) {


  image1on = new Image();
  image1on.src = "../pics/nav-services-on.gif";

  image2on = new Image();
  image2on.src = "../pics/nav-onm-on.gif";
  
  image3on = new Image();
  image3on.src = "../pics/nav-news-on.gif";

  image4on = new Image();
  image4on.src = "../pics/nav-company-on.gif";
  
  image5on = new Image();
  image5on.src = "../pics/nav-mission-on.gif";
  
  image6on = new Image();
  image6on.src = "../pics/nav-history-on.gif";
      
  image7on = new Image();
  image7on.src = "../pics/nav-people-on.gif";
 
  image8on = new Image();
  image8on.src = "../pics/nav-career-on.gif";    
  
  image9on = new Image();
  image9on.src = "../pics/nav-contact-on.gif";
      

   
  image1off = new Image();
  image1off.src = "../pics/nav-services-off.gif";

  image2off = new Image();
  image2off.src = "../pics/nav-onm-off.gif";

  image3off = new Image();
  image3off.src = "../pics/nav-news-off.gif";

  image4off = new Image();
  image4off.src = "../pics/nav-company-off.gif";

  image5off = new Image();
  image5off.src = "../pics/nav-mission-off.gif";
  
  image6off = new Image();
  image6off.src = "../pics/nav-history-off.gif";
    
  image7off = new Image();
  image7off.src = "../pics/nav-people-off.gif";
    
  image8off = new Image();
  image8off.src = "../pics/nav-career-off.gif";
    
  image9off = new Image();
  image9off.src = "../pics/nav-contact-off.gif";
    


  
}

function turnOn(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "on.src");
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "off.src");
  }
}

// -->