var js = 1.0;

Version = parseInt(navigator.appVersion);

if (navigator.appName == "Netscape")
    js = ((Version >= 4) ? 1.2 : ( (Version == 3) ? 1.1 : 1.0 ));
else
    if (navigator.appVersion.indexOf('MSIE') != -1) 
        js = ((Version >= 4) ? 1.1 : 1.0);

function changeImagemap(newImage) {
    if (js > 1.0) document ['boxImage'].src = eval(newImage + ".src");
}

if (js > 1.0) {
    main = new Image();
    main.src  = "/images/view-all-rates-but.gif";

    rates = new Image();
    rates.src  = "/images/view-all-rates-but-2.gif";
    
    loans = new Image();
    loans.src  = "/images/view-all-rates-but-3.gif";
}