javascript - Replace image sources in vbulletin -

i want add script "headinclude" template of vbulletin. because have change domain of website, links, image links doesn't work after changing domain. thought better add jquery script (or maybe javascript). have links of images in 1 webpage following:

  <div id=allimages>     <span>         <img src="http://olddomain.com/attachment.php?attachmentid=123&d=3321">         <img src="http://olddomain.com/attachment.php?attachmentid=352&d=7541">         <img src="http://olddomain.com/attachment.php?attachmentid=851&d=4853">     </span>   </div> 

i want change olddomain.com newdomain.org

how can it?