if (document.images) {
    image1on = new Image();
    image1on.src = "images/ButLauraOn.gif";

    image2on = new Image();
    image2on.src = "images/ButOstapOn.gif";

    image3on = new Image();
    image3on.src = "images/ButVladOn.gif";

    image4on = new Image();
    image4on.src = "images/ButFriendsOn.gif";

    image5on = new Image();
    image5on.src = "images/ButRelativesOn.gif";

    image6on = new Image();
    image6on.src = "images/ButParentsOn.gif";

    image7on = new Image();
    image7on.src = "images/ButHaveFunOn.gif";

    image8on = new Image();
    image8on.src = "images/ButHomeOn.gif";

    image9on = new Image();
    image9on.src = "images/ButNewPhotosOn.gif";

    image10on = new Image();
    image10on.src = "images/ButNadyaOn.gif";

    image11on = new Image();
    image11on.src = "images/ButCommonOn.gif";

    image12on = new Image();
    image12on.src = "images/ButElenaOn.gif";

    image1off = new Image();
    image1off.src = "images/ButLauraOff.gif";

    image2off = new Image();
    image2off.src = "images/ButOstapOff.gif";

    image3off = new Image();
    image3off.src = "images/ButVladOff.gif";

    image4off = new Image();
    image4off.src = "images/ButFriendsOff.gif";

    image5off = new Image();
    image5off.src = "images/ButRelativesOff.gif";

    image6off = new Image();
    image6off.src = "images/ButParentsOff.gif";

    image7off = new Image();
    image7off.src = "images/ButHaveFunOff.gif";

    image8off = new Image();
    image8off.src = "images/ButHomeOff.gif";

    image9off = new Image();
    image9off.src = "images/ButNewPhotosOff.gif";

    image10off = new Image();
    image10off.src = "images/ButNadyaOff.gif";

    image11off = new Image();
    image11off.src = "images/ButCommonOff.gif";

    image12off = new Image();
    image12off.src = "images/ButElenaOff.gif";
}

function changeImages() {
    if (document.images) {
        for (var i = 0; i < changeImages.arguments.length; i += 2) {
            document[changeImages.arguments[i]].src = eval(changeImages.arguments[i + 1] + ".src");
        }
    }
}