title: powerbuilder appeon mobile web. how to determine a url link is returning a 404
body: <p>When using a picture control on a appeon mobile web, how do you determine that the picture name url is returning a 404 error, file not found error?
  Example code line: p_picture.picturename = "<a href="http://myurl.org/picture.jpg" rel="nofollow noreferrer">http://myurl.org/picture.jpg</a>"
  tia</p>