.TeacherDiv {
    width:606px;
    margin:2px auto 0 auto;
    border:1px solid;
    background:#E7F4FF;
}
.TeacherDiv .inDiv {
    width:598px;
    margin:4px auto 4px auto;
    background:#fff;
}
.TeacherDiv table td {
    background:#fff;
    color:#3069A5;
}
/*--鼠标放上时换样式--*/
.TeacherDiv_o {
    background:#fee;
    width:606px;
    margin:2px auto 0 auto;
    border:1px solid #f11;
}
.TeacherDiv_o .inDiv {
    width:598px;
    margin:4px auto 4px auto;
    background:#fee;
}
.TeacherDiv_o table td {
    background:#fff;
    color:#f11;
}
/*--鼠标放上时换背景色--*/
.changeBG_a {
    background:#fff;
}
.changeBG_b {
    background:#fee;
}