function auswerten() {
  var e=document.getElementById('jaDiv');
  e.style.display='none';
  var e=document.getElementById('neinDiv');
  e.style.display='none';
  var e=document.getElementById('vltDiv');
  e.style.display='none';

  var result=false;
  var result2=false;
  var result3=true;

  var c=0;
  for(var i=1;i<=13;i++){
    var e=document.getElementById('frage3'+i);
    if(e.checked) {c++;}
  }

  var f1=document.getElementById('frage1ja');
  var f2=document.getElementById('frage2ja');
  var f4=document.getElementById('frage4ja');
  if(f4.checked){result=true;}

  if(result){
    var result=false;
    if(!result){
	  if((f1.checked)&&(f2.checked)){result=true;}
    }
    if(!result){
      if(c>2){result=true;}
    }
    if(!result){
      if((f1.checked)&&(c>1)){result=true;}
    }
  }
  
  if(!result){
    if((f1.checked)&&(c>0)){
      result2=true;
    }
  }
  
  if(result){
    var e=document.getElementById('jaDiv');
  }
  else if(result2){
    var e=document.getElementById('vltDiv');
  }
  else if(result3){
    var e=document.getElementById('neinDiv');
  }
  e.style.display='block';
  window.scrollBy(0, 1000);
}