function resizeImg()
{
  forumMain = document.getElementById('forummain');
  if (forumMain) {
    var imgs = forumMain.getElementsByTagName('img');
    for (var imgId in imgs) {
      img = imgs[imgId];
      if (img.width <= 426) continue;

      var ratio = 426 / img.width;
      var oldHeight = img.height;
      img.width = 426;
      // Just to be safe...
      img.height = Math.round(oldHeight * ratio);
    }
  }
}
function prepareResizeImg()
{
  window.setTimeout('resizeImg();', 100);
}