var id_selected = -1;
var mouseout_selected = "";
var images = new Array("nix", "ueberuns", "aktuell", "produktuebersicht", "kataloge", "partner", "anfahrt", "kontakt", "impressum");

function img_select(new_selected_id) {

  // alle Buttons resetten
  
  for (i = 1; i < images.length; i++) {
    $('img_' + images[i]).src = "img/b_left_" + i + "_" + images[i] + "_rot.jpg";
    $('img_' + images[i]).onmouseover = "src=\"img/b_left_" + i + "_" + images[i] + "_blau.jpg\"";
    $('img_' + images[i]).onmouseout = "src=\"img/b_left_" + i + "_" + images[i] + "_rot.jpg\"";
  }
  
  // und jetzt das neue Bild auf blau schalten und mouseout weg
  id_selected = new_selected_id;
  $('img_' + images[id_selected]).src = "img/b_left_" + id_selected + "_" + images[id_selected] + "_blau.jpg";
  mouseout_selected = $('img_' + images[id_selected]).onmouseout;
  $('img_' + images[id_selected]).onmouseout = "";
  return true;
}