//Expand Collapse navigation and Toggle the display of DHTML layer on the page
function toggledisplay (postid) {
var whichpost = document.getElementById(postid);
if (whichpost.className=="layershow") { whichpost.className="layerhide"; } else { whichpost.className="layershow"; }
} 

var WindowObjectReference = null; // global variable

function openPrintVersion(thePage)
{
  if(WindowObjectReference == null || WindowObjectReference.closed)
  /* if the pointer to the window object in memory does not exist
     or if such pointer exists but the window was closed */

  {
    WindowObjectReference = window.open(thePage,"printFriendly", "width=660; menubar=no,location=no,resizable=no,scrollbars=yes,status=yes");
    /* then create it. The new window will be created and
       will be brought on top of any other window. */
  }
  else
  {
    WindowObjectReference.focus();
    /* else the window reference must exist and the window
       is not closed; therefore, we can bring it back on top of any other
       window with the focus() method. There would be no need to re-create
       the window or to reload the referenced resource. */
  };
}