function menu(id){
   
//    if(document.getElementById(id).style.display == 'inline'){
//      document.getElementById(id).style.display = 'none'; 
//      document.getElementById(id).style.visibility = 'hidden';
//    } else {  
    
     /* nav einblenden */
      document.getElementById(id).style.display    = 'inline';
      document.getElementById(id).style.visibility = 'visible';

     /* nav ausblenden */
      for(var i=1; i < document.getElementsByTagName('UL').length; i++){
       var element   = document.getElementsByTagName('UL')[i];
       var id_hidden = element.getAttribute('ID');

       if(id_hidden == id){}
       else {  
        document.getElementById(id_hidden).style.display    = 'none'; 
        document.getElementById(id_hidden).style.visibility = 'hidden';
       }       
      }
//    }

 }
 
 
  function sub_menu(id,main){
    
     if(document.getElementById(id).style.display == 'inline'){
       document.getElementById(id).style.display = 'none'; 
       document.getElementById(id).style.visibility = 'hidden';
     } else {  
     
      /* nav einblenden */
       document.getElementById(id).style.display    = 'inline';
       document.getElementById(id).style.visibility = 'visible';
 
      /* nav ausblenden */
       for(var i=1; i < document.getElementsByTagName('UL').length; i++){
        var element   = document.getElementsByTagName('UL')[i];
        var id_hidden = element.getAttribute('ID');
 
        if(id_hidden == id || id_hidden == main){}
        else {  
         document.getElementById(id_hidden).style.display    = 'none'; 
         document.getElementById(id_hidden).style.visibility = 'hidden';
        }       
       }
     }
 
 }


var max_step = 5;
function checkPrevNext() {
  if(step > 1 && step < max_step){document.getElementById('prev').style.visibility='visible'; document.getElementById('prev').disabled = false;}
  if(step < max_step){ document.getElementById('next').style.visibility='visible';}
}

function checkAll(){
  var myFields = new Array();
  for(var i=0; i<document.getElementById('form').elements.length; i++){
    var element = document.getElementById('form').elements[i];
    if (element.getAttribute('TYPE') != 'hidden' && element.getAttribute('TYPE') != 'submit' && element.getAttribute('TYPE') != 'button') {
           if (element.getAttribute('TYPE') == 'radio'){       if (element.checked) {           myFields[element.name] = 1; } else if (myFields[element.name] != 1) { myFields[element.name] = 0; } } 
      else if (element.getAttribute('TYPE') == 'select-one'){  if (element.selectedIndex > 0) { myFields[element.name] = 1; } else { myFields[element.name] = 0; } } 
      else if (element.getAttribute('TYPE') == 'text'){        if (element.value != '' ) {      myFields[element.name] = 1; } else { myFields[element.name] = 0; } } 
      else if (element.getAttribute('TYPE') == 'password'){    if (element.value != '' ) {      myFields[element.name] = 1; } else { myFields[element.name] = 0; } } 
    }   
  }

  var error = 1;
  for (var i in myFields) {
    if (myFields[i] == 0) {
      document.getElementById('next').disabled = true;
      return(false);
    }   
  }

  if(step < max_step){document.getElementById('next').disabled = false; }
}

function check(elem, value){
  if(value){elem.ALT = 'verified'};
  alert(elem.ALT);
  checkButton();
}