function addToTag(tag){
  if($('tags'))  {
    var oldtags = $('input[@id=tags]').val();
    var newtags = oldtags + ' ' + tag;
    $('input[@id=tags]').val(newtags);
  }
}

$(document).ready(function(){
  $("#news a[href^=http]").each(function() {
    if( ! this.href.match('j0k3r.net'))
      this.target = "_blank";
  });
  $("#article a[href^=http]").each(function() {
    if( ! this.href.match('j0k3r.net'))
      this.target = "_blank";
  });
  $("#comment a[href^=http]").each(function() {
    if( ! this.href.match('j0k3r.net'))
      this.target = "_blank";
  });
});