// JavaScript Document

var offeneAntwort = "";
function toggleAntw(neueAntwort){
  if(offeneAntwort != ""){
    document.getElementById(offeneAntwort).style.display='none';
  }
  
  if(offeneAntwort == neueAntwort){
    document.getElementById(neueAntwort).style.display='none';
    offeneAntwort = "";
  }
  else{
    document.getElementById(neueAntwort).style.display='block';
    offeneAntwort = neueAntwort;
  }
  
}