var activeelement='forside';

function setHidden()
{
document.getElementById("havetegning").style.display ='none';
document.getElementById("detailtegning").style.display ='none';
document.getElementById("kotetegning").style.display ='none';
document.getElementById("vejledning").style.display ='none';
document.getElementById("drommehave").style.display ='none';
document.getElementById("priser").style.display ='none';
document.getElementById("kontakt").style.display ='none';
}

function toggle(obj) {
  if (obj!=activeelement)
  {
    document.getElementById(activeelement).style.display ='none';       
    with (document.getElementById(obj).style) { display = (display == 'none') ? 'block' : 'none'; activeelement=obj}        
  }
}