jquery操作html的object标签的问题

  <object id="FlashID" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="657" height="499">
    <param name="movie" id="paramobject1" value="aa.swf?userName=" />
    <param name="quality" value="high" />
    <param name="wmode" value="transparent" />
    <param name="swfversion" value="6.0.65.0" />
     <!--[if !IE]>-->
    <object type="application/x-shockwave-flash" id="paramobject2" data="aa.swf?userName=" width="657" height="499">
      <!--<![endif]-->
      <param name="quality" value="high" />
      <param name="wmode" value="transparent" />
      <param name="swfversion" value="6.0.65.0" />  
    </object>
    <!--<![endif]-->
  </object>

$(document).ready(function(){
    $.ajax({
        url: "../getURL",
        dataType: "json",
        type: "POST",
        
        error: function (XMLHttpRequest, textStatus, errorThrown) {
            
        },
        
        success: function(result) {
           $('#paramobject1').val(result);
//怎么修改paramobject2的data属性？
        }
    })
})

jquery
[解决办法]
$('#paramobject2').attr('data','某个值');