function initScrollLayers() {
  // 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 wndo1 = new dw_scrollObj('content', 'lyr1', null);

  // arguments: dragBar id, track id, axis ("v" or "h"), x offset, y offset
  // (x/y offsets of dragBar in track)
  wndo1.setUpScrollbar("dragBar1", "track1", "v", 1, 1);
  
//  var wndo2 = new dw_scrollObj('wn2', 'lyr2', 'imgTbl');
 // wndo2.setUpScrollbar("dragBar2", "track2", "v", 1, 1);
 // wndo2.setUpScrollbar("dragBar3", "track3", "h", 1, 1);
  
  // Read instructions if your scrolling layers are inside tables 
  
  // Scrollbars initially hidden in this example 
  dw_showLayers("scrollbar1");
}

function dw_showLayers() {
  if ( document.getElementById ) {
    var lyr, i;
    for (i=0; arguments[i]; i++) {
      lyr = document.getElementById( arguments[i] );
      lyr.style.visibility = "visible";
    }
  }
}
<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->