function sf(){
  first=document.getElementById('firstinput');
  if (first != null) { first.focus(); }
}


function menuGoto(idx){
  document.getElementById('idx').value=idx-1;
  document.getElementById('skjema').submit();
}

function fakeSubmit(source){
  document.getElementById('fakesubmit').value=source;
  document.getElementById('skjema').submit();
}

function toggle(id,source){
  var example=document.getElementById(id);
  if (example.style.visibility=='hidden') {
    expand(id);
  } else {
    collapse(id);
  }
}

function collapse(id){
  var example=document.getElementById(id);
  example.style.visibility='hidden';
  example.style.display='none';
}

function expand(id){
  var example=document.getElementById(id);
  example.style.visibility='visible';
  example.style.display='block';
}