#loader {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    background: url('../../img/loading_web_ch.gif') no-repeat center,#f5f5f5;
}
#loader.mobile-loader {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    background: url('../../img/loading_mobile_ch.gif') no-repeat center,#f5f5f5;
}
.Contact_Us {
    background: no-repeat url('../../img/flight/header/contactUs_c.png') left center;
    padding-left: 78px;
}
.top_email {
    background: no-repeat url('../../img/flight/header/Email_c.gif');
}
.top_login.on, .top_login:hover {
    background-image: url(../../img/flight/header/SignUp-Login-on_c.png);
}

.top_login {
    background-image: url(../../img/flight/header/SignUp-Login-off_c.png);
}
.top_en {
    background: url(../../img/flight/header/eng-off.png) no-repeat;
}
.top_zh.on {
    background: url(../../img/flight/header/chin-on.png) no-repeat;
}
.top_hkd {
    background: url(../../img/flight/header/hkd.png);
    width: 93px;
    height: 23px;
}
.tiaoKuan.selected {
    background: url(../../img/flight/header/Review-on.png) no-repeat top left;
}