/*   browserName = navigator.appName;
   browserVer = parseInt(navigator.appVersion);

   if (browserName == "Netscape" && browserVer >= 3) {
           version = "n3";
   } else {
           version = "n2";
   }
   if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) {
           version = "n3";
   }
*/
     version = "n3"

     if(version == "n3") {
           menu1off = new Image();
           menu1off.src = "../images/secondnav/alt/nav_one.gif";
           menu1hi = new Image();
           menu1hi.src =  "../images/secondnav/alt/nav_one_on.gif";
           menu2off = new Image();
           menu2off.src = "../images/secondnav/alt/nav_two.gif";
           menu2hi = new Image();
           menu2hi.src =  "../images/secondnav/alt/nav_two_on.gif";
           menu3off = new Image();
           menu3off.src = "../images/secondnav/alt/nav_three.gif";
           menu3hi = new Image();
           menu3hi.src =  "../images/secondnav/alt/nav_three_on.gif";
           menu4off = new Image();
           menu4off.src = "../images/secondnav/alt/nav_four.gif";
           menu4hi = new Image();
           menu4hi.src =  "../images/secondnav/alt/nav_four_on.gif";
           menu5off = new Image();
           menu5off.src = "../images/secondnav/alt/nav_five.gif";
           menu5hi = new Image();
           menu5hi.src =  "../images/secondnav/alt/nav_five_on.gif";
           menu6off = new Image();
           menu6off.src = "../images/secondnav/alt/nav_six.gif";
           menu6hi = new Image();
           menu6hi.src =  "../images/secondnav/alt/nav_six_on.gif";
           menu7off = new Image();
           menu7off.src = "../images/secondnav/alt/nav_seven.gif";
           menu7hi = new Image();
           menu7hi.src =  "../images/secondnav/alt/nav_seven_on.gif";
	 }

   function highlight(imgName) {
        if(version=="n3") {
          imgHi = eval(imgName + "hi.src");
          document [imgName].src = imgHi;
        }
   }

   function unhighlight(imgName) {
        if(version=="n3") {
          imgOff = eval(imgName + "off.src");
          document [imgName].src = imgOff;
        }
   }