function text_change_recommend_car() {
  var to_name = document.getElementById("recommend_car_to_name");
  var from_name = document.getElementById("recommend_car_from_name");
  var output_note = document.getElementById("recommend_car_note");

  var output_to_name = to_name.value == "" ? "" : to_name.value;
  var output_from_name = from_name.value == "" ? "" : from_name.value;
  if (to_name.value != "" && from_name.value != ""){
    output_note.value = 'Hallo'+ " " + output_to_name+',\n\n'
    +output_from_name + " " +'hat ein interessantes Fahrzeug auf pkw.de gefunden.';
  }
  else{
    output_note.value = 'Hallo,\n\n'
    +'ich habe ein interessantes Fahrzeug auf pkw.de gefunden.';
  }

}

  function set_start_page(sth){
    if(navigator.appName == 'Microsoft Internet Explorer'){
      sth.style.behavior='url(#default#homepage)';
      sth.setHomePage('http://www.pkw.de');
    }
    else{
      alert('Diese Funktion wird von Ihrem Browser nicht unterstützt.');
    }
  }

  function set_favorite(){
    if (window.sidebar) window.sidebar.addPanel('pkw.de - Das neue Automobilportal', 'http://www.pkw.de', "")
    else if(document.all) window.external.AddFavorite('http://www.pkw.de','pkw.de - Das neue Automobilportal')
    else{
      var shortcut = 'Strg + D'
      uA = navigator.userAgent.toLowerCase();
      if(uA.substr(uA.indexOf('opera')+6,1) < 9) shortcut = 'Strg + T';
      alert('Drücke shortcut, um diese Seite zu den Favoriten hinzuzufügen.');
    }
  }

  // opens a vertical centered layer with the response of the ajax-action, see also layer.css for style behaviour
  // use update_layer_size() for resizing the layer (to avoid scroll bars) if content size changes
  function open_ajax_layer(get_action, params, dom_id, layer_width, layer_height){
    if(!$('master_'+ dom_id)) {
      win = new Window('master_'+ dom_id, 
      {className: "layer", title: "", height: layer_height, width: layer_width,
      resizable: true, draggable: true, showEffect: Element.show, hideEffect: Element.hide, minimizable: false,
      maximizable: false, recenterAuto: false, zIndex:100, closable: true});
      activity_image = '<div id="layer_activity_indicator" style="float:left;padding-left:'
      + ((layer_width/2)-14) + 'px;margin-top:' + ((layer_height/2)-14) + 'px;z-index:300;">'
      + '<img alt="loading..." src="http://pkw.de/images/loader_lightgreen_small.gif?1268289639" /></div>';
      win.getContent().innerHTML = activity_image;
      $('master_' + dom_id + '_close').innerHTML = '<table class=\"layer\" cellpadding=\"0\" cellspacing=\"0\"><tr height=\"15px\"><td class=\"layer_ro\" width=\"15\"><div class=\"layer-button\"><table class=\"button-width\" cellpadding=\"0\" cellspacing=\"0\" align=\"right\"><tr><td class=\"button-ende-links\">&nbsp;</td><td class=\"button-text-width\" nowrap>Schließen&nbsp;x</td><td class=\"button-ende-rechts\">&nbsp;</td></tr></table></div></td></tr></table>';
      win.setAjaxContent(get_action, {evalScripts:true, parameters:params} );
      win.setDestroyOnClose(); 
      win.showCenter(false, null, null); // args: showModal, top margin, left margin
      // update_layer_size();
    }
  }


	function change_form_action_and_submit(form_name, action){
		form = document.forms[form_name];
		form.action = action;
		form.submit();
	}