var widget1 = document.getElementById('mpledge-widget-1');
if (widget1) {
  var site = widget1.getAttribute('site');
  var project = widget1.getAttribute('project');
  var a = widget1.getElementsByTagName('a')[0];
  var background = a.getElementsByTagName('img')[0];
  
  /* pre-2007-09-3 overwrite link to old background image */
  background.src = site + 'projects/' + project + '/widget-1-image.png'
}