<script language="javascript" src="js/prototype.js"></script>
<title>test</title>
<script language="javascript">
function getVideoList()
{
var obj = $("columnid");
var url = "video_get_list.php";//这里是你要POST的后台脚本文件
var pars = "columnid=" + obj.value;//这里是post的参数
var myajax = new Ajax.Request(url,{method:"post",parameters:pars,onSuccess:loading,onComplete:setVideoList});//成功返回的函数setVideoList
}
function setVideoList(request)
{
alert(request.responseText);//返回的数据
}