<!--
function clearDefault(el) {
if (el.defaultValue==el.value) el.value = ""
}

function einblenden(elementname){
 document.getElementById(elementname).style.display='block';
}

function ausblenden(elementname){
 document.getElementById(elementname).style.display='none';
}


function status_aendern(elementname){
 if(document.getElementById('post').style.display == 'none'){
   document.getElementById(elementname).style.display='block';
 }
 else {
   document.getElementById(elementname).style.display='none';
 }
}

function ausblenden_all(){
  ausblenden('error_mode');
  ausblenden('error_vorname');
  ausblenden('error_name');
  ausblenden('error_email');
  ausblenden('error_address');
  ausblenden('error_zip');
  ausblenden('error_city');
}

function checkForm(){

$error = false;


if (!(document.forms['newsletterform'].elements['mode'])){
  
  ausblenden_all();

  if (document.forms['newsletterform'].elements['peremail'].checked == false && document.forms['newsletterform'].elements['perpost'].checked == false){
    einblenden('error_mode');
    $error=true;
  }
  if (document.forms['newsletterform'].elements['vorname'].value == ''){
        einblenden('error_vorname');
        $error = true;
  }
  if (document.forms['newsletterform'].elements['name'].value == ''){
        einblenden('error_name');
        $error = true;
  }
  if (document.forms['newsletterform'].elements['peremail'].checked == true){
        if (document.forms['newsletterform'].elements['email'].value == ''){
          einblenden('error_email');
          $error = true;
        }
  }
  if (document.forms['newsletterform'].elements['perpost'].checked == true){
    if (document.forms['newsletterform'].elements['address'].value == ''){
        einblenden('error_address');
        $error = true;
    }
    if (document.forms['newsletterform'].elements['zip'].value == ''){
        einblenden('error_zip');
        $error = true;
    }
    if (document.forms['newsletterform'].elements['city'].value == ''){
        einblenden('error_city');
        $error = true;
    }    
  }
}

if ((document.forms['newsletterform'].elements['mode'])){

  ausblenden_all();

  if ((document.forms['newsletterform'].elements['mode'][0].checked == true)){

  if (document.forms['newsletterform'].elements['peremail'].checked == false && document.forms['newsletterform'].elements['perpost'].checked == false){
    einblenden('error_mode');
    $error=true;
  }
  if (document.forms['newsletterform'].elements['vorname'].value == ''){
        einblenden('error_vorname');
        $error = true;
  }
  if (document.forms['newsletterform'].elements['name'].value == ''){
        einblenden('error_name');
        $error = true;
  }
  if (document.forms['newsletterform'].elements['peremail'].checked == true){
        if (document.forms['newsletterform'].elements['email'].value == ''){
          einblenden('error_email');
          $error = true;
        }
  }
  if (document.forms['newsletterform'].elements['perpost'].checked == true){
    if (document.forms['newsletterform'].elements['address'].value == ''){
        einblenden('error_address');
        $error = true;
    }
    if (document.forms['newsletterform'].elements['zip'].value == ''){
        einblenden('error_zip');
        $error = true;
    }
    if (document.forms['newsletterform'].elements['city'].value == ''){
        einblenden('error_city');
        $error = true;
    }    
  } 
  }

  if ((document.forms['newsletterform'].elements['mode'][1].checked == true)){

    if (document.forms['newsletterform'].elements['vorname'].value == ''){
          einblenden('error_vorname');
          $error = true;
    }
    if (document.forms['newsletterform'].elements['name'].value == ''){
          einblenden('error_name');
          $error = true;
    }
    if (document.forms['newsletterform'].elements['email'].value == ''){
            einblenden('error_email');
            $error = true;
    }
    if (document.forms['newsletterform'].elements['company'].value == ''){
            einblenden('error_company');
            $error = true;
    }    
 
  }
}



  
if ($error == true){
  return false;
}
if ($error == false){
  return true;
}


}

function checkForm2(){

  $error = false;
  ausblenden_all2();
  
  if((get_newsletter_status_value() == 'bestellen') || (get_newsletter_status_value() == 'aendern')){

    if (get_kontakt_art_value() == 'email'){

      if(document.newsletterform.nachname.value == ''){
        einblenden('error_nachname');
        $error = true;
      }
  
      if(document.newsletterform.email.value == ''){
        einblenden('error_email');
        $error = true;
      }

    }else if(get_kontakt_art_value() == 'post'){
    
      if(document.newsletterform.nachname.value == ''){
        einblenden('error_nachname');
        $error = true;
      }
  
      if(document.newsletterform.strasse.value == ''){
        einblenden('error_strasse');
        $error = true;
      }
      
      if(document.newsletterform.plz.value == ''){
        einblenden('error_plz');
        $error = true;
      }
      
      if(document.newsletterform.ort.value == ''){
        einblenden('error_ort');
        $error = true;
      }      
      
    
    }
  
  }else if(get_newsletter_status_value() == 'loeschen'){
  
    if(document.newsletterform.nachname.value == ''){
      einblenden('error_nachname');
      $error = true;
    }

    if(document.newsletterform.organisation.value == ''){
      einblenden('error_organisation');
      $error = true;
    }
  }

  if($error){
    return false;
  }
  else{
    return true;
  }

}


function get_kontakt_art_value(){
  for (var i=0; i < document.newsletterform.kontakt_art.length; i++)
     {
     if (document.newsletterform.kontakt_art[i].checked)
        {
        var rad_val = document.newsletterform.kontakt_art[i].value;
        return rad_val;
        }
     }
}

function get_newsletter_status_value(){
  for (var i=0; i < document.newsletterform.newsletter_status.length; i++)
     {
     if (document.newsletterform.newsletter_status[i].checked)
        {
        var rad_val = document.newsletterform.newsletter_status[i].value;
        return rad_val;
        }
     }
}

function ausblenden_all2(){
  // ausblenden('error_vorname');
  ausblenden('error_nachname');
  ausblenden('error_email');
  ausblenden('error_strasse');
  ausblenden('error_plz');
  ausblenden('error_ort');
}



// -->