window.onerror = null;

var netscape = 0;
var goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
{ netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
{ goodIE = 1; }
// end error trapping code


if (netscape || goodIE) {

      a1 = new Image(226,39); 
      a1.src = "../navimg/btn-about-off.jpg";      
      a2 = new Image(226,39);
      a2.src = "../navimg/btn-about-on.jpg";
	  b1 = new Image(226,39); 
      b1.src = "../navimg/btn-tour-off.jpg";      
      b2 = new Image(226,39);
      b2.src = "../navimg/btn-tour-on.jpg";
	  c1 = new Image(226,39); 
      c1.src = "../navimg/btn-comproj-off.jpg";      
      c2 = new Image(226,39);
      c2.src = "../navimg/btn-comproj-on.jpg";
	  d1 = new Image(226,39); 
      d1.src = "../navimg/btn-home-off.jpg";      
      d2 = new Image(226,39);
      d2.src = "../navimg/btn-home-on.jpg";
	  e1 = new Image(226,39); 
      e1.src = "../navimg/btn-contact-off.jpg";      
      e2 = new Image(226,39);
      e2.src = "../navimg/btn-contact-on.jpg";
	  f1 = new Image(226,39); 
      f1.src = "../navimg/btn-4sale-off.jpg";      
      f2 = new Image(226,39);
      f2.src = "../navimg/btn-4sale-on.jpg";
}

function hiLite(imgDocID, imgObjName) {
if (netscape || goodIE) {
        document.images[imgDocID].src = eval(imgObjName + ".src");
}}