function openLargeImage(id, fileId) {
  var url = getBaseUrl() + "download/image/"+id+"/"+fileId+"_multimedia.jpg";
  var largeImage =
  window.open(url,
    "largeImageWindow",
    "width=650,height=600,toolbar=yes,resizable=yes,location=yes");
  largeImage.focus();
  return false;
}

function getBaseUrl() {
  return document.getElementById("h1").href;
}