browserName = navigator.appName;
                browserVer = parseInt(navigator.appVersion);
           if (browserVer >= 3) version = "v3";
              else version = "v2";

   if (version == "v3") {
         homeOn = new Image();
     homeOn.src = "images/nav/home-on.gif";
       aboutOn = new Image();
    aboutOn.src = "images/nav/about-on.gif";
       customOn = new Image();
   customOn.src = "images/nav/custom-on.gif";              
      catalogOn = new Image();
  catalogOn.src = "images/nav/catalog-on.gif";  
      contactOn = new Image();     
  contactOn.src = "images/nav/contact-on.gif";
        salesOn = new Image();
    salesOn.src = "images/nav/sales-on.gif";
     offshoreOn = new Image();
 offshoreOn.src = "images/nav/offshore-on.gif";
 

        homeOff = new Image();
    homeOff.src = "images/nav/home.gif";
       aboutOff = new Image();
   aboutOff.src = "images/nav/about.gif";
      customOff = new Image();
  customOff.src = "images/nav/custom.gif";              
     catalogOff = new Image();
 catalogOff.src = "images/nav/catalog.gif";  
     contactOff = new Image();     
 contactOff.src = "images/nav/contact.gif";
       salesOff = new Image();
   salesOff.src = "images/nav/sales.gif";
    offshoreOff = new Image();
offshoreOff.src = "images/nav/offshore.gif";
               }

function MouseOver(imgName) {
               if (version == "v3") {
               imgOn = eval(imgName + "On.src");
               document [imgName].src = imgOn;
               }
       }       
       
function Click(imgName) {
  if(clicked != imgName && browserVer >= 3) { 
    if(clicked != '') {
      imgOff = eval(clicked + "Off.src");
      document [clicked].src = imgOff;
    }
    clicked = imgName;
  }
}

function MouseOut(imgName) {
               if (version == "v3") {
			if (imgName != clicked) {
			imgOff = eval(imgName + "Off.src");
			document [imgName].src = imgOff;
			}

               }
       }