function popup(file) {
    $("dimmer_img").src = file;
    OAT.Dimmer.show("dimmer");
    OAT.Dom.center("dimmer", 1, 1);
    OAT.Dom.show("dimmer");
}

function popup_destroy() {
    OAT.Dom.hide("dimmer");
    OAT.Dimmer.hide();
}