div.hmenu_container1 {z-index: 10}
div.hmenu_container2 {z-index: 20; width: 160px; position: absolute; display: none; top: 20px; left: 0px; background-color: #ffffff}

div.hmenu_item1      {z-index: 10; position: relative; height: 20px}
div.hmenu_item2      {z-index: 20; border: solid 1px #666666}

div.vmenu_container1 {}
div.vmenu_container2 {position: absolute; display: none; left: 106px; top: 6px}
div.vmenu_blank      {position: absolute; height: 40px}
div.vmenu_item1      {position: relative}