function zoomimgInit(){
  var dlglayer = document.getElementById('dialoglayer');
  //dlglayer.innerHTML=" <h1 onclick='return true;'> waaaah!</h1>";
  return dlglayer;
}

function zoomimgShow(imgurl){
  var dimlayer = document.getElementById('dimlayer');
  dimlayer.style.display="block";

  var dlglayer = zoomimgInit();
  dlglayer.style.display="block";
}

function zoomimgHide(imgurl){
}