function status_RADIO_region1(){
  if(document.getElementById('region1').checked == true){
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region13_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region12_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region11_regionen', 0, 0, 'auto', 'auto', 'visible');
  }else if(document.getElementById('region2').checked == true){
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region13_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region11_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region12_regionen', 0, 0, 'auto', 'auto', 'visible');
  }else if(document.getElementById('region3').checked == true){
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region11_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region12_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region13_regionen', 0, 0, 'auto', 'auto', 'visible');
  }else{
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region13_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region12_regionen', 0, 0, 0, 0, 'hidden');
    set_DIV_region2 ('tx_hotelanfrage_anfrage_region11_regionen', 0, 0, 0, 0, 'hidden');
  } 
}

function set_DIV_position (element_id , x_position, y_position) {
  // Abstand vom linken Seitenrand
  document.getElementById (element_id).style.left = x_position;
  // Amstand vom oberen Seitenrand
  document.getElementById (element_id).style.top = y_position;
}

function set_DIV_region2 (element_id, x_position, y_position, width, height, visible) {
  // Abstand vom linken Seitenrand
  document.getElementById (element_id).style.left = x_position;
  // Breite des DIV-Elements setzen
  document.getElementById (element_id).style.width = width;
  // Amstand vom oberen Seitenrand
  document.getElementById (element_id).style.top = y_position;
  // Höhe des DIV-Elements ändern
  document.getElementById (element_id).style.height = height;
  // Sichtbarkeit des DIV-Elements ändern
  document.getElementById (element_id).style.visibility = visible;
}