    .x-tab-tabmenu-right {
        background: transparent url('images/tab-scroller-menu.gif') no-repeat 0 0;
        width:18px;
        height: 20px;
        cursor:pointer;
        zoom: 1;
        z-index: 6;
        float: right;
    }
    .x-tab-tabmenu-over {
        background-position: -18px 0;
    }
    .x-tab-tabmenu-disabled {
        background-position: 0 0;
        opacity:.5;
        -moz-opacity:.5;
        filter:alpha(opacity=50);
        cursor:default;
    }