vb1316rn = xppr('1316r_0.gif');
vb1316ro = xppr('1316r_1.gif');
vb1316rc = xppr('1316r_2.gif');
vbc316rn = xppr('c316r_0.gif');
vbc316ro = xppr('c316r_1.gif');
vbc316rc = xppr('c316r_2.gif');
vbd316rn = xppr('d316r_0.gif');
vbd316ro = xppr('d316r_1.gif');
vbd316rc = xppr('d316r_2.gif');
vb7316rn = xppr('7316r_0.gif');
vb7316ro = xppr('7316r_1.gif');
vb7316rc = xppr('7316r_2.gif');
vbq316rn = xppr('q316r_0.gif');
vbq316ro = xppr('q316r_1.gif');
vbq316rc = xppr('q316r_2.gif');
vbm316rn = xppr('m316r_0.gif');
vbm316ro = xppr('m316r_1.gif');
vbm316rc = xppr('m316r_2.gif');
vb5316rn = xppr('5316r_0.gif');
vb5316ro = xppr('5316r_1.gif');
vb5316rc = xppr('5316r_2.gif');
vba316rn = xppr('a316r_0.gif');
vba316ro = xppr('a316r_1.gif');
vba316rc = xppr('a316r_2.gif');
vbs316rn = xppr('s316r_0.gif');
vbs316ro = xppr('s316r_1.gif');
vbs316rc = xppr('s316r_2.gif');
vb3316rn = xppr('3316r_0.gif');
vb3316ro = xppr('3316r_1.gif');
vb3316rc = xppr('3316r_2.gif');
vbr316rn = xppr('r316r_0.gif');
vbr316ro = xppr('r316r_1.gif');
vbr316rc = xppr('r316r_2.gif');
vb6316rn = xppr('6316r_0.gif');
vb6316ro = xppr('6316r_1.gif');
vb6316rc = xppr('6316r_2.gif');
vb2316rn = xppr('2316r_0.gif');
vb2316ro = xppr('2316r_1.gif');
vb2316rc = xppr('2316r_2.gif');
var btIdPref = 'vb', pressedItem = '6316r';
function xppr(im) {
    var i = new Image();
    i.src = 'images/optional_hardware/menu_tabs/bt' + im;
    return i;
};
function xpe(id) {
    x = id.substring(0, id.length - 1);
    xe = id.substring(id.length - 1, id.length);
    if (pressedItem == x && (xe == 'n' || xe == 'o'))
        return;
    if (xe == 'c') {
        if (pressedItem != -1)
            document[btIdPref + pressedItem].src = eval(btIdPref + pressedItem + 'n' + '.src');
        pressedItem = x;
    };
    if (document[btIdPref + x])
        document[btIdPref + x].src = eval(btIdPref + id + '.src');
};
function toggle(div) {
    var option = ['infoscreen1', 'infoscreen2', 'infoscreen3', 'infoscreen4','infoscreen5','infoscreen6','infoscreen7','infoscreen8','infoscreen9','infoscreen10','infoscreen11','infoscreen12','infoscreen13'];
    for (var i = 0; i < option.length; i++) {
        obj = document.getElementById(option[i]);
        if (option[i] != div || (option[i] == div && obj.style.display == "none")) {
            obj.style.display = (option[i] == div) && !(obj.style.display == "block") ? "block" : "none";
        }
    }
}