select 联系关系选取 二

JSP代码：

<form id="settings" name="settings" action="#" method="post">
							<table class="tableborder" cellSpacing="0" cellPadding="0"
								width="100%" border="0">
								<tbody>
									<tr class="header">
										<td colSpan="2">
											关联选取
										</td>
									</tr>
								<tbody>
									<tr>
										<td class="altbg1" width="20%">
											<b>课程:</B>
										</td>
										<td class="altbg2">
											<select name="courseId" id="course"
												onchange="changeCourse(this.selectedIndex)">
												<option value="-1">
													--请选择课程--
												</option>
											</select>
										</td>
									</tr>
									<tr>
										<td class="altbg1" width="20%">
											<b>主题:</b>
										</td>
										<td class="altbg2">
											<select name="subjectId" id="subject">
												<option value="-1">
													--请选择主题--
												</option>
											</select>
										</td>
									</tr>
								</tbody>
							</table>

							<!--异步加载数据 -->
							<script type="text/javascript">
								loadCourse();
							</script>


							<br />
							<center>
								<input type="hidden" name="from">
								<input class="button" type="submit" value="提 交"
									name="settingsubmit">
							</center>
						</form>

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