<!--- HIDE SCRIPT FROM OLDER BROWSERS ----------------------------------------

// Active Images
if (document.images) {
   img1on = new Image();      
   img1on.src = "images/nav/intro_on.gif"; 
   img2on = new Image(); 
   img2on.src = "images/nav/projects_on.gif";  
   img3on = new Image();
   img3on.src = "images/nav/services_on.gif";
   img4on = new Image();
   img4on.src = "images/nav/contact_on.gif";
   img5on = new Image();
   img5on.src = "images/nav/employ_on.gif";
   
   imgAon = new Image();
   imgAon.src = "images/nav/mech_on.gif";
   imgBon = new Image();
   imgBon.src = "images/nav/elec_on.gif";
   imgCon = new Image();
   imgCon.src = "images/nav/lowvolt_on.gif";
   imgDon = new Image();
   imgDon.src = "images/nav/light_on.gif";
   imgEon = new Image();
   imgEon.src = "images/nav/security_on.gif";
    
// Inactive Images
   img1off = new Image();
   img1off.src = "images/nav/intro_off.gif"; 
   img2off = new Image();          
   img2off.src = "images/nav/projects_off.gif"; 
   img3off = new Image();
   img3off.src = "images/nav/services_off.gif";
   img4off = new Image();
   img4off.src = "images/nav/contact_off.gif";
   img5off = new Image();
   img5off.src = "images/nav/employ_off.gif";

   imgAoff = new Image();
   imgAoff.src = "images/nav/mech_off.gif";
   imgBoff = new Image();
   imgBoff.src = "images/nav/elec_off.gif";
   imgCoff = new Image();
   imgCoff.src = "images/nav/lowvolt_off.gif";
   imgDoff = new Image();
   imgDoff.src = "images/nav/light_off.gif";
   imgEoff = new Image();
   imgEoff.src = "images/nav/security_off.gif";
}

//---------------------------------------------------------------------------->

<!-- Graphic rollover functions

// Function to 'activate' images.
   function imgOn(imgName) {
      if (document.images) {
         document[imgName].src = eval(imgName + "on.src");
      }
   }

// Function to 'deactivate' images.
   function imgOff(imgName) {
      if (document.images) {
         document[imgName].src = eval(imgName + "off.src");
      }
   }

//---------------------------------------------------------------------------->