// Detect if browser is Netscape 3 + or IE 4 +.
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
    if ((bName == "Netscape" && bVer >= 3) || 
    (bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
    else br = "n2";

// Create image objects, preload all active and inactive images.
    if (br== "n3") { 
    img1on = new Image();
    img1on.src = "eklipse_b1_over.gif";
    img2on = new Image();
    img2on.src = "eklipse_b2_over.gif";
    img3on = new Image();
    img3on.src = "eklipse_b3_over.gif";
    
    img1off = new Image();
    img1off.src = "eklipse_b1.gif";
    img2off = new Image();
    img2off.src = "eklipse_b2.gif";
    img3off = new Image();
    img3off.src = "eklipse_b3.gif";
  

       }

function imgAct(imgName) {
    if (br == "n3") {
    document[imgName].src = eval(imgName + "on.src");
    }
}

function imgInact(imgName) {
    if (br == "n3") {
    document[imgName].src = eval(imgName + "off.src");
    }
}