function(h) {
  var html = "<div id='REPLACE-ME-video' class='swfembed' movie='URL' mheight='HEIGHT' mwidth='WIDTH'>Witty comment about needing Javascript goes here...</div>";
  var sel = h.selection;
  if (null == sel || '' == sel.toString()) {
    return html;
  }

  html = html.replace('WIDTH', /width="(\d+)"/.exec(sel)[1]);
  html = html.replace('HEIGHT', /height="(\d+)"/.exec(sel)[1]);
  html = html.replace('URL', /src="([^\"]+)"/.exec(sel)[1]);
  return html;
}