function ShowNews(closeme) {
    document.getElementById('aktuelles_spacer_left_div').style.display = 'none';
	document.getElementById('feste_spacer_left_div').style.display     = 'none';
	document.getElementById('karte_spacer_left_div').style.display     = 'none';
	if(closeme == 'yes') document.getElementById('aktuelles_spacer_left_div').style.display = 'block'; else document.getElementById('aktuelles_spacer_left_div').style.display = 'none';
	document.getElementById('feste_left_div').style.display  = 'none';
	document.getElementById('leftnav_feste').style.display   = 'block';
	document.getElementById('leftnav_feste2').style.display  = 'none';
	document.getElementById('karte_left_div').style.display  = 'none';
	document.getElementById('leftnav_karte').style.display   = 'block';
	document.getElementById('leftnav_karte2').style.display  = 'none';
  
    if(document.getElementById('aktuelles_spacer_left_div').style.display == 'block') {
      document.getElementById('aktuelles_spacer_left_div').style.display = 'none'; document.getElementById('leftnav_news').style.display = 'block'; document.getElementById('leftnav_news2').style.display = 'none';  }
	else { document.getElementById('aktuelles_spacer_left_div').style.display = 'block'; document.getElementById('leftnav_news').style.display = 'none'; document.getElementById('leftnav_news2').style.display = 'block'; }
	  
    if(document.getElementById('aktuelles_left_div').style.display == 'block') {
      document.getElementById('aktuelles_left_div').style.display = 'none'; }
	else { document.getElementById('aktuelles_left_div').style.display = 'block'; }
  }
  
    function ShowFeste(closeme) {
    document.getElementById('aktuelles_spacer_left_div').style.display = 'none';
	document.getElementById('feste_spacer_left_div').style.display     = 'none';
	document.getElementById('karte_spacer_left_div').style.display     = 'none';
	if(closeme == 'yes') document.getElementById('feste_spacer_left_div').style.display = 'block'; else document.getElementById('feste_spacer_left_div').style.display = 'none';
	document.getElementById('karte_left_div').style.display  	 = 'none';
	document.getElementById('leftnav_karte').style.display   	 = 'block';
	document.getElementById('leftnav_karte2').style.display      = 'none';
	document.getElementById('aktuelles_left_div').style.display  = 'none';
	document.getElementById('leftnav_news').style.display        = 'block';
	document.getElementById('leftnav_news2').style.display       = 'none';	
	
    if(document.getElementById('feste_spacer_left_div').style.display == 'block') {
      document.getElementById('feste_spacer_left_div').style.display = 'none'; document.getElementById('leftnav_feste').style.display = 'block'; document.getElementById('leftnav_feste2').style.display = 'none';  }
	else { document.getElementById('feste_spacer_left_div').style.display = 'block'; document.getElementById('leftnav_feste').style.display = 'none'; document.getElementById('leftnav_feste2').style.display = 'block'; }
	  
    if(document.getElementById('feste_left_div').style.display == 'block') {
      document.getElementById('feste_left_div').style.display = 'none'; }
	else { document.getElementById('feste_left_div').style.display = 'block'; }
  }
  
    function ShowKarte(closeme) {
    document.getElementById('aktuelles_spacer_left_div').style.display = 'none';
	document.getElementById('feste_spacer_left_div').style.display     = 'none';
	document.getElementById('karte_spacer_left_div').style.display     = 'none';
	if(closeme == 'yes') document.getElementById('karte_spacer_left_div').style.display = 'block'; else document.getElementById('karte_spacer_left_div').style.display = 'none';
	document.getElementById('aktuelles_left_div').style.display  = 'none';
	document.getElementById('leftnav_news').style.display        = 'block';
	document.getElementById('leftnav_news2').style.display       = 'none';
	document.getElementById('feste_left_div').style.display      = 'none';
	document.getElementById('leftnav_feste').style.display  	 = 'block';
	document.getElementById('leftnav_feste2').style.display  	 = 'none';	
	
    if(document.getElementById('karte_spacer_left_div').style.display == 'block') {
      document.getElementById('karte_spacer_left_div').style.display = 'none'; document.getElementById('leftnav_karte').style.display = 'block'; document.getElementById('leftnav_karte2').style.display = 'none';  }
	else { document.getElementById('karte_spacer_left_div').style.display = 'block'; document.getElementById('leftnav_karte').style.display = 'none'; document.getElementById('leftnav_karte2').style.display = 'block'; }
	  
    if(document.getElementById('karte_left_div').style.display == 'block') {
      document.getElementById('karte_left_div').style.display = 'none'; }
	else { document.getElementById('karte_left_div').style.display = 'block'; }
  }
  
  function ClearFormNameFeed() {
    if(document.form_feedback.kdname_feed.value == 'Name') {
      document.form_feedback.kdname_feed.value=''; }
  }
  function ResetFormNameFeed() {
    if(document.form_feedback.kdname_feed.value == '') {
      document.form_feedback.kdname_feed.value='Name'; }
  }
  function ClearFormMailFeed() {
    if(document.form_feedback.kdmail_feed.value == 'E-Mail') {
      document.form_feedback.kdmail_feed.value=''; }
  }
  function ResetFormMailFeed() {
    if(document.form_feedback.kdmail_feed.value == '') {
      document.form_feedback.kdmail_feed.value='E-Mail'; }
  }
  function ClearFormBemerkungFeed() {
    if(document.form_feedback.kdbemerkung_feed.innerHTML == 'Bemerkung') {
      document.form_feedback.kdbemerkung_feed.innerHTML=''; }
  } 
  function ResetFormBemerkungFeed() {
    if(document.form_feedback.kdbemerkung_feed.innerHTML == '') {
      document.form_feedback.kdbemerkung_feed.innerHTML='Bemerkung'; }
  } 
  
  function ClearFormName() {
    if(document.getElementById('kdname').value == 'Name') {
      document.getElementById('kdname').value=''; }
  }
  function ResetFormName() {
    if(document.getElementById('kdname').value == '') {
      document.getElementById('kdname').value='Name'; }
  }
  function ClearFormMail() {
    if(document.getElementById('kdmail').value == 'E-Mail') {
      document.getElementById('kdmail').value=''; }
  }
  function ResetFormMail() {
    if(document.getElementById('kdmail').value == '') {
      document.getElementById('kdmail').value='E-Mail'; }
  }
  function ClearFormVorwahl() {
    if(document.getElementById('kdvorwahl').value == 'Vorwahl') {
      document.getElementById('kdvorwahl').value=''; }
  }
  function ResetFormVorwahl() {
    if(document.getElementById('kdvorwahl').value == '') {
      document.getElementById('kdvorwahl').value='Vorwahl'; }
  }
  function ClearFormRufnummer() {
    if(document.getElementById('kdrufnummer').value == 'Rufnummer') {
      document.getElementById('kdrufnummer').value=''; }
  }
  function ResetFormRufnummer() {
    if(document.getElementById('kdrufnummer').value == '') {
      document.getElementById('kdrufnummer').value='Rufnummer'; }
  }
  function ClearFormBemerkung() {
    if(document.getElementById('kdbemerkung').innerHTML == 'Bemerkung') {
      document.getElementById('kdbemerkung').innerHTML=''; }
  }
  function ResetFormBemerkung() {
    if(document.getElementById('kdbemerkung').innerHTML == '') {
      document.getElementById('kdbemerkung').innerHTML='Bemerkung'; }
  }
  
function CheckFeedbackForm() { 

  var error = 0;
  
  document.getElementById('Err_Name_Feed').style.display      = "none";
  document.getElementById('Err_Mail_Feed').style.display      = "none";
  
  if((document.form_feedback.kdname_feed.value=="") || (document.form_feedback.kdname_feed.value=="Name")) {
  
    document.getElementById('Err_Name_Feed').style.display = "block";
	error = 1;
  
  }
  
  if((document.form_feedback.kdmail_feed.value=="") || (document.form_feedback.kdmail_feed.value=="E-Mail")) {
  
    document.getElementById('Err_Mail_Feed').style.display = "block";
	error = 1;
  
  }
  
  if(error == 1) { return(false); } else { return(true); }

}
function CheckKontaktForm() { 

  var error = 0;
  
  document.getElementById('Err_Name').style.display      = "none";
  document.getElementById('Err_Mail').style.display      = "none";
  
  if((document.form_kontakt.kdname.value=="") || (document.form_kontakt.kdname.value=="Name")) {
  
    document.getElementById('Err_Name').style.display = "block";
	error = 1;
  
  }
  
  if((document.form_kontakt.kdmail.value=="") || (document.form_kontakt.kdmail.value=="E-Mail")) {
  
    document.getElementById('Err_Mail').style.display = "block";
	error = 1;
  
  }
  
  if(error == 1) { return(false); } else { return(true); }

}