// open new window for external links
window.onload = function() {
  if (!document.getElementsByTagName) return false;
  var lnks = document.getElementsByTagName("a");
  for (var i=0; i<lnks.length; i++) {
    if (lnks[i].getAttribute("class") == "ext") {
      lnks[i].onclick = function()
			{
				open(this.href);
				return false;
      }
    }
  }
}