jquery onerror 처리

<script type="text/javascript">
//<![CDATA[
$("p.photo img").each(function() {
 var instance = $(this);
 var img = new Image();
 $(img).error(function() {
  instance.attr("src", "http://image.alba.kr/job/img_photo.gif");
 }).attr("src", instance.attr("src"));
});
//]]>
</script>