.menu { position: static; border-width: 0px; }
.menu_1 { position: relative; height: 0px; width: 0px; display: none; border-width: 0px; z-index: 1000; background-color: #333333; margin-left: -10px; }
.menu_1_div { text-align: center; color: #333333; height: 20px; font-weight: bold; font-size: 14px; }
.menu_2 { position: absolute; display: none; margin-left: -6px; border-width: 0px; }
.menu_b { height: 30px; width: 100px; background-image: url(../images/daohang_2list_bg.png); border-width: 0px; }
.menu_3 { height: 11px; width: 100px; background-image: url(../images/daohang_2list_top.png); background-repeat: no-repeat; }
.menu_4 { height: 11px; width: 100px; background-image: url(../images/daohang_2list_foot.png); background-repeat: no-repeat; }
.menu_a { color: #ffffff; font-size: 13px; font-weight: bold; }