<!--
var iversion = -1;
var roll=false;

function version() {
    if (iversion != -1) return roll;

        if (navigator.appName.indexOf("Netscape") != -1) { // Netscape
                if (navigator.userAgent.indexOf("Mozilla/") != -1)
                        iversion = parseFloat(navigator.appVersion)
                else
                        iversion = 1;
                roll = (iversion>=3);
        } else {  // Not netscape.
                if (navigator.appName.indexOf("Internet Explorer") != -1) {
                        if (navigator.userAgent.indexOf("Mozilla/") != -1)
                                iversion = parseFloat(navigator.appVersion)
                        else
                                iversion = 1;
                } else {
                        iversion = 1;
                }
                roll = (iversion>3);
        }
        return roll;
}

if (version()) {
            but1n        = new Image(80,28);
            but1o        = new Image(80,28);
            but1n.src    = "_img/_nav/welkom.jpg";
            but1o.src    = "_img/_nav/welkomMO.jpg";
            but2n        = new Image(83,28);
            but2o        = new Image(83,28);
            but2n.src    = "_img/_nav/biografie.jpg";
            but2o.src    = "_img/_nav/biografieMO.jpg";
            but3n        = new Image(84,28);
            but3o        = new Image(84,28);
            but3n.src    = "_img/_nav/cv.jpg";
            but3o.src    = "_img/_nav/cvMO.jpg";
            but4n        = new Image(84,28);
            but4o        = new Image(84,28);
            but4n.src    = "_img/_nav/fotos.jpg";
            but4o.src    = "_img/_nav/fotosMO.jpg";
            but5n        = new Image(84,28);
            but5o        = new Image(84,28);
            but5n.src    = "_img/_nav/weblog.jpg";
            but5o.src    = "_img/_nav/weblogMO.jpg";
            but6n        = new Image(83,28);
            but6o        = new Image(83,28);
            but6n.src    = "_img/_nav/contact.jpg";
            but6o.src    = "_img/_nav/contactMO.jpg";
}

function chimg(pic,name) {
                if (roll) {
                        pic.src = name.src;
                }
}
//-->