if (document.images) {

// TOP NAV


      homeon = new Image(48, 18);
      homeon.src = "/images/nav/top/home-on.gif";
      homeoff = new Image(48, 18);
      homeoff.src = "/images/nav/top/home-off.gif";

      companyon = new Image(73, 18);
      companyon.src = "/images/nav/top/company-on.gif";
      companyoff = new Image(73, 18);
      companyoff.src = "/images/nav/top/company-off.gif";

      productson = new Image(69, 18);
      productson.src = "/images/nav/top/products-on.gif";
      productsoff = new Image(69, 18);
      productsoff.src = "/images/nav/top/products-off.gif";

      toorderon = new Image(65, 18);
      toorderon.src = "/images/nav/top/toorder-on.gif";
      toorderoff = new Image(65, 18);
      toorderoff.src = "/images/nav/top/toorder-off.gif";

      customeron = new Image(129, 18);
      customeron.src = "/images/nav/top/customer-on.gif";
      customeroff = new Image(129, 18);
      customeroff.src = "/images/nav/top/customer-off.gif";

      contacton = new Image(82, 18);
      contacton.src = "/images/nav/top/contact-on.gif";
      contactoff = new Image(82, 18);
      contactoff.src = "/images/nav/top/contact-off.gif";


// LEFT NAV



      whoweareon = new Image(157, 26);
      whoweareon.src = "/images/nav/left/who-we-are-on.gif";
      whoweareoff = new Image(157, 26);
      whoweareoff.src = "/images/nav/left/who-we-are-off.gif";
      
      newdevelopmentson = new Image(157, 26);
      newdevelopmentson.src = "/images/nav/left/new-developments-on.gif";
      newdevelopmentsoff = new Image(157, 26);
      newdevelopmentsoff.src = "/images/nav/left/new-developments-off.gif";

      productsserviceson = new Image(157, 26);
      productsserviceson.src = "/images/nav/left/products-services-on.gif";
      productsservicesoff = new Image(157, 26);
      productsservicesoff.src = "/images/nav/left/products-services-off.gif";

      engineeringdesignon = new Image(157, 26);
      engineeringdesignon.src = "/images/nav/left/engineering-design-on.gif";
      engineeringdesignoff = new Image(157, 26);
      engineeringdesignoff.src = "/images/nav/left/engineering-design-off.gif";
  
      requestcatalogon = new Image(157, 26);
      requestcatalogon.src = "/images/nav/left/request-catalog-on.gif";
      requestcatalogoff = new Image(157, 26);
      requestcatalogoff.src = "/images/nav/left/request-catalog-off.gif";
 
      installationhintson = new Image(157, 26);
      installationhintson.src = "/images/nav/left/installation-hints-on.gif";
      installationhintsoff = new Image(157, 26);
      installationhintsoff.src = "/images/nav/left/installation-hints-off.gif";
 
      faqon = new Image(157, 26);
      faqon.src = "/images/nav/left/faq-on.gif";
      faqoff = new Image(157, 26);
      faqoff.src = "/images/nav/left/faq-off.gif";

      productoverviewon = new Image(157, 26);
      productoverviewon.src = "/images/nav/left/product-overview-on.gif";
      productoverviewoff = new Image(157, 26);
      productoverviewoff.src = "/images/nav/left/product-overview-off.gif";
 
      securitylocknutson = new Image(157, 26);
      securitylocknutson.src = "/images/nav/left/security-locknuts-on.gif";
      securitylocknutsoff = new Image(157, 26);
      securitylocknutsoff.src = "/images/nav/left/security-locknuts-off.gif";
 
      prevailorson = new Image(157, 26);
      prevailorson.src = "/images/nav/left/prevailors-on.gif";
      prevailorsoff = new Image(157, 26);
      prevailorsoff.src = "/images/nav/left/prevailors-off.gif";
 
      lockingwasherson = new Image(157, 26);
      lockingwasherson.src = "/images/nav/left/locking-washers-on.gif";
      lockingwashersoff = new Image(157, 26);
      lockingwashersoff.src = "/images/nav/left/locking-washers-off.gif";
 
      misccustomon = new Image(157, 26);
      misccustomon.src = "/images/nav/left/misc-custom-on.gif";
      misccustomoff = new Image(157, 26);
      misccustomoff.src = "/images/nav/left/misc-custom-off.gif";
 
      productselectoron = new Image(157, 26);
      productselectoron.src = "/images/nav/left/product-selector-on.gif";
      productselectoroff = new Image(157, 26);
      productselectoroff.src = "/images/nav/left/product-selector-off.gif";


//Other

      emailon = new Image(157, 26);
      emailon.src = "/images/email_on.gif";
      emailoff = new Image(157, 26);
      emailoff.src = "/images/email_off.gif";
      
      email2on = new Image(157, 26);
      email2on.src = "/images/email_on.gif";
      email2off = new Image(157, 26);
      email2off.src = "/images/email_off.gif";      
      
      email3on = new Image(157, 26);
      email3on.src = "/images/email3_on.gif";
      email3off = new Image(157, 26);
      email3off.src = "/images/email3_off.gif";   

      email4on = new Image(157, 26);
      email4on.src = "/images/email4_on.gif";
      email4off = new Image(157, 26);
      email4off.src = "/images/email4_off.gif";  

   }

   function img_act(imgName) {
      if (document.images) {
         imgOn = eval(imgName + "on.src");
         document [imgName].src = imgOn;
      }
   }

   function img_inact(imgName) {
      if (document.images) {
         imgOff = eval(imgName + "off.src");
         document [imgName].src = imgOff;
      }
   }