browserSmart = false;

if (parseInt(navigator.appVersion) >= 3 ) {
        browserSmart = true;
}

if (browserSmart) {
        pix1off = new Image(112, 30);
        pix1off.src = "/irbis64r/images/irbis_02.gif";
        pix1on = new Image(112, 30);
        pix1on.src = "/irbis64r/images/irbis2_02.gif";
        pix2off = new Image(36, 30);
        pix2off.src = "/irbis64r/images/irbis_05.gif";
        pix2on = new Image(36, 30);
        pix2on.src = "/irbis64r/images/irbis2_05.gif";
        pix3off = new Image(36, 30);
        pix3off.src = "/irbis64r/images/irbis_07.gif";
        pix3on = new Image(36, 30);
        pix3on.src = "/irbis64r/images/irbis2_07.gif";
        pix4off = new Image(36, 30);
        pix4off.src = "/irbis64r/images/irbis_09.gif";
        pix4on = new Image(36, 30);
        pix4on.src = "/irbis64r/images/irbis2_09.gif";
}

function pixOver(pixName) {
        if (browserSmart) {
                document [pixName].src=eval(pixName+"on.src");
        }
}

function pixOut(pixName) {
        if (browserSmart) {
                document [pixName].src=eval(pixName+"off.src");
        }
}