<style type="text/css">
#pun-main .section, #pun-main .tcr {
  display: none;
}

#pun-main table {
  margin-bottom: 1em;
}

</style>

<script type="text/javascript">
var frame_class = {
      forums: ["1","2","3"],
      step: 0,
      change_forum: function() {
          var fr = document.getElementById("frame");
          fr.src = "http://" + location.hostname + "/viewforum.php?id=" + this.forums[this.step];
          fr.onload = function() {frame_class.f_load(this)}
      },
      f_load: function(obj) {
            var x = document.getElementById("frame");
            var y = x.contentDocument;
            if (y.document)
                  y = y.document;
            document.getElementById("pun-main").innerHTML += "<h2>" + y.getElementById("pun-crumbs1").innerHTML.substr(y.getElementById("pun-crumbs1").innerHTML.indexOf("</a> »") + 12 ) + "</h2><table class='container'>" + y.getElementById("pun-main").getElementsByTagName("table")[0].innerHTML + "</table>";
            obj.onload = false;
            this.step++;
            this.change_forum();
      }
}
</script>

<iframe id="frame" width="0" height="0" onload="frame_class.change_forum()"></iframe>