function addLoadEvent(func) {
    var lademal = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            if (lademal)
                lademal();
        }
        func();
    }
}

addLoadEvent(function() { extern(); primary(); });

onerror = halt;

function halt() {
    return true;
}

function extern() {
  var links, i, a;
  links = document.getElementsByTagName("a");
  for(i = 0; i < links.length; i++) {
    a = links[i];
    if(a.getAttribute("rel") == "extern") {
      a.onclick = function() {
        window.open(this.href);
        return false;
      }
    }
  }
}

function primary() {
    document.getElementById('focus').focus();
}