#menu ul {list-style-type: none;}
#menu li {position: relative;}
#menu .sub_menu, #menu .sub_menu1 {display: none; position: absolute; margin-top: 0px; top: 0px; left: 282px; width: 235px; z-index: 2000; zoom: 1}
#menu .hover .sub_menu, #menu .sub_menu .hover .sub_menu1 {display: block; zoom: 1}