function initScrollLayer() {
  // hide loading gif
  var load_lyr = document.getElementById? document.getElementById("loading"): document.all? document.all["loading"]: null;
  if (load_lyr) load_lyr.style.visibility = "hidden";
  
  // arguments: id of layer containing scrolling layers (clipped layer), id of layer to scroll, 
  // if horizontal scrolling, id of element containing scrolling content (table?)
  var wndo = new dw_scrollObj('wn', 'lyr1', 'imgTbl');
  
  // Read instructions if your scrolling layers are inside tables 
}