if (document.images) {
  
  image1on = new Image();
  image1on.src = "/images/menu/who-on.gif";
  
  image2on = new Image();
  image2on.src = "/images/menu/what1-on.gif";

  image3on = new Image();
  image3on.src = "/images/menu/contacts-on.gif";

  image4on = new Image();
  image4on.src = "/images/menu/locations-on.gif";

  image5on = new Image();
  image5on.src = "/images/menu/home1-on.gif";

  image6on = new Image();
  image6on.src = "/images/menu/about1-on.gif";

  image7on = new Image();
  image7on.src = "/images/menu/event1-on.gif"; 
  
  image8on = new Image();
  image8on.src = "/images/menu/whatsnew1-on.gif";

  image9on = new Image();
  image9on.src = "/images/menu/used1-on.gif";

  image10on = new Image();
  image10on.src = "/images/menu/contact1-on.gif"; 
  
  image11on = new Image();
  image11on.src = "/images/clickhere-on.jpg";
  
  image12on = new Image();
  image12on.src = "/images/menu/location_on.gif";
  
  image13on = new Image();
  image13on.src = "/images/menu/links_on.gif";
  
  image14on = new Image();
  image14on.src = "/images/menu/faq-on.gif";
  
  image15on = new Image();
  image15on.src = "/images/menu/helpful-on.gif";
  
  image16on = new Image();
  image16on.src = "/images/menu/packages-on.gif";
  
  image17on = new Image();
  image17on.src = "/images/menu/newsletter-on.gif";
  
  image18on = new Image();
  image18on.src = "/images/menu/delivery-on.gif";
  
  image30on = new Image();
  image30on.src = "/images/balloon-on.gif";
    
  image35on = new Image();
  image35on.src = "/images/menu/commercial-on.gif";      
      
  image36on = new Image();
  image36on.src = "/images/menu/equipment-on.gif";
  
  image37on = new Image();
  image37on.src = "/images/scott_on.jpg";
  
  image1off = new Image();
  image1off.src = "/images/menu/who-off.gif";

  image2off = new Image();
  image2off.src = "/images/menu/what1-off.gif";

  image3off = new Image();
  image3off.src = "/images/menu/contacts-off.gif";

  image4off = new Image();
  image4off.src = "/images/menu/locations-off.gif";

  image5off = new Image();
  image5off.src = "/images/menu/home1-off.gif";

  image6off = new Image();
  image6off.src = "/images/menu/about1-off.gif";

  image7off = new Image();
  image7off.src = "/images/menu/event1-off.gif";  
  
  image8off = new Image();
  image8off.src = "/images/menu/whatsnew1-off.gif";

  image9off = new Image();
  image9off.src = "/images/menu/used1-off.gif";

  image10off = new Image();
  image10off.src = "/images/menu/contact1-off.gif"; 
  
  image11off = new Image();
  image11off.src = "/images/clickhere-off.jpg";
  
  image12off = new Image();
  image12off.src = "/images/menu/location_off.gif"; 
  
  image13off = new Image();
  image13off.src = "/images/menu/links_off.gif";
  
  image14off = new Image();
  image14off.src = "/images/menu/faq-off.gif";
    
  image15off = new Image();
  image15off.src = "/images/menu/helpful-off.gif";
  
  image16off = new Image();
  image16off.src = "/images/menu/packages-off.gif";
  
  image17off = new Image();
  image17off.src = "/images/menu/newsletter-off.gif";
  
  image18off = new Image();
  image18off.src = "/images/menu/delivery-off.gif";
  
  image30off = new Image();
  image30off.src = "/images/balloon-off.gif";
    
  image35off = new Image();
  image35off.src = "/images/menu/commercial-off.gif";
        
  image36off = new Image();
  image36off.src = "/images/menu/equipment-off.gif"; 
  
  image37off = new Image();
  image37off.src = "/images/scott_off.jpg";   
}

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");
  }
}