onclick在firefox下可用在IE下不可用是怎么回事啊
<select id="select_order" name='select_order'>
						<option value="0">
							-----请选择排序方式-----
						</option>
						<s:if test="sortId==1">
							<option value="1" onclick="javascript: location = 'themelist.action?sortId=1';" selected="selected">
								按投票总数排序
							</option>
							<option value="2" onclick="javascript: location = 'themelist.action?sortId=2';">
								按结束时间排序
							</option>
							<option value="3" onclick="javascript: location = 'themelist.action?sortId=3';">
								按选择模式排序
							</option>
						</s:if>
						<s:if test="sortId==2">
							<option value="1" onclick="javascript: location = 'themelist.action?sortId=1';">
								按投票总数排序
							</option>
							<option value="2" onclick="javascript: location = 'themelist.action?sortId=2';" selected="selected">
								按结束时间排序
							</option>
							<option value="3" onclick="javascript: location = 'themelist.action?sortId=3';">
								按选择模式排序
							</option>
						</s:if>
						<s:if test="sortId==3">
							<option value="1" onclick="javascript: location = 'themelist.action?sortId=1';">
								按投票总数排序
							</option>
							<option value="2" onclick="javascript: location = 'themelist.action?sortId=2';">
								按结束时间排序
							</option>
							<option value="3" onclick="javascript: location = 'themelist.action?sortId=3';"  selected="selected">
								按选择模式排序
							</option>
						</s:if>
					</select>
------解决方案--------------------这是不可能的,你把写法改下看看
window.location.href这样肯定可以
------解决方案--------------------
<select id="select_order" name='select_order' onchange="javascript: location = 'themelist.action?sortId='+this.value">
改为这样吧。通用。而且只要这option中设置就行了。