js左右上下移动


<form name="roleForm">
<table>
<tr>
                <td>
                    <select name="selLeft" size="25" multiple style="width:20em">
                            <option value="1">查看用户列表</option>
                            <option value="2">搜索用户</option>
                            <option value="3">查看用户提醒设置</option>
                            <option value="4">查看用户消息</option>
                            <option value="5">查看分类管理员</option>
                            <option value="6">查看兼职人员管理</option>
                            <option value="7">查看角色列表</option>
                            <option value="8">查看等级列表</option>
                            <option value="9">查看问题类别</option>
                            <option value="10">查看答案列表</option>
                            <option value="11">查看答案评论</option>
                            <option value="12">查看问题推荐列表</option>
                            <option value="13">查看专家推荐列表</option>
                            <option value="14">查看会员推荐列表</option>
                            <option value="15">查看首页问题库</option>
                            <option value="16">查看用户统计</option>
                            &l