var currentImage = 0;		//Changed later

function changeImage(articleid,number) {
  document.getElementById("currentGalleryImage").src = imageArray[number];
  document.getElementById("currentGalleryImage").alt = titleArray[number];
  document.getElementById("currentGalleryImageText").innerHTML = textArray[number];
}

function updateImage(articleid,number) {
  var before = currentImage;
  currentImage = ((imageArray.length + currentImage + number) % imageArray.length);
  changeImage(articleid, currentImage);
  try { //Thumbs might not be added
    document.getElementById("galleryThumbnail" + before).src = thumbArray[before];
    document.getElementById("galleryThumbnail" + currentImage).src = gThumbArray[currentImage];
  } catch(e) {};
}

function directImage(articleid,number) {
  var diff = number - currentImage;
  updateImage(articleid,diff);
}