if (document.images) {
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    b1ON.src = "/picturetalk-web/styles/steel/images/tab_aboutON.gif";
    var b1OFF = new Image();
    b1OFF.src = "/picturetalk-web/styles/steel/images/tab_about.gif";

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    var b2BK = new Image();
    b2BK.src = "/picturetalk-web/styles/steel/images/tab_off_on.gif";
    var b2OFF = new Image();
    b2OFF.src = "/picturetalk-web/styles/steel/images/tab_off_off.gif";

    var b3ON = new Image();
    b3ON.src = "/picturetalk-web/styles/steel/images/tab_attendON.gif";
    var b3OFF = new Image();
    b3OFF.src = "/picturetalk-web/styles/steel/images/tab_attend.gif";

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    var b4BK = new Image();
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    b4OFF.src = "/picturetalk-web/styles/steel/images/tab_off_off.gif";

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    b5OFF.src = "/picturetalk-web/styles/steel/images/tab_setup.gif";

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    var b6OFF = new Image();
    b6OFF.src = "/picturetalk-web/styles/steel/images/tab_off_on.gif";
}