function changeImage(){
    if(currimage == "int"){
      document.images['show-info'].src = projecten.src;
      currimage = "pro";
    }else if(currimage == "pro"){
      document.images['show-info'].src = tentoonstellingen.src;
      currimage = "ten";
    }else if(currimage == "ten"){
      document.images['show-info'].src = interieur.src;
      currimage = "int";
    }
    setTimeout('changeImage()',6000);
  }
  window.onload = changeImage;