Iframe not displaying some pages
<article class='nobackground'>
    <iframe src='http://en.wikipedia.org/wiki/<?php echo $myid ?>'></iframe>
  </article>

<article class='nobackground'>
    <iframe src='http://www.google.ie/search?tbm=isch&hl=en&source=hp&biw=1280&bih=679&q=<?php echo $myid ?>'></iframe>
  </article>

iframe {
      width: 100%;
      height: 620px;
      background: white;
      border: 1px solid rgb(192, 192, 192);
      margin: -1px;
 }

 article.fill iframe {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      border: 0;
      margin: 0;
      border-radius: 10px;
      -o-border-radius: 10px;
      -moz-border-radius: 10px;
      -webkit-border-radius: 10px;
      z-index: -1;
 }