.combobox{display:inline-block;vertical-align:middle;padding:0;margin-bottom:5px;border:1px solid #a9a9a9;background:url(dropdown.gif) no-repeat right center}
.combobox input{padding:0 0 0 2px;margin:0;vertical-align:top;border:0;outline:0;background:none}
.combobox .comboboxbutton{padding:0;margin:0;display:inline-block;vertical-align:top;width:17px;line-height:10px;cursor:pointer;}
#comboboxDropdown{margin:0;padding:0;border:solid 1px #ccc;border-width:1px 1px 0;position:absolute;display:none;z-index:1001;border-radius:2px;max-height:300px;overflow-x:hidden;overflow-y:auto;background:#fff;}
#comboboxDropdown li{list-style-type:none;border:solid 1px #ccc;border-width:0 0 1px;cursor:pointer;padding:3px;white-space:nowrap;}
#comboboxDropdown li{color:#333;background-color:#fff}
#comboboxDropdown li.selected{color:#fff;background-color:#0170b6}