jquery选择框后面的标签内容

<input id="RadioDeliverType_0" type="radio" name="RadioDeliverType" value="3" checked="checked" /><label for="RadioDeliverType_0">中国邮政EMS</label>

<input id="RadioDeliverType_1" type="radio" name="RadioDeliverType" value="1" onclick="javascript:setTimeout('__doPostBack(\'RadioDeliverType$1\',\'\')', 0)" /><label for="RadioDeliverType_1">韵达快运</label>

<script type="text/javascript">
alert($("input:checked[name='RadioDeliverType']").eq(0).next().text()); //得到中国邮政EMS

</script>