/************************************************************************************************/

function toggle_display(id) {
    if ( document.getElementById(id).style.display == 'none') {
        document.getElementById(id).style.display = 'block';
    } else {
        document.getElementById(id).style.display = 'none';
    }
}

/************************************************************************************************/

function wopen(url, name, w, h)
{
  // Fudge factors for window decoration space.
  // In my tests these work well on all platforms & browsers.
  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2;
  // IE5 and other old browsers might allow a window that is
  // partially offscreen or wider than the screen. Fix that.
  // (Newer browsers fix this for us, but let's be thorough.)
  if (wleft < 0) {
    w = screen.width;
    wleft = 0;
  }
  if (wtop < 0) {
    h = screen.height;
    wtop = 0;
  }
  var win = window.open(url,
    name,
    'width=' + w + ', height=' + h + ', ' +
    'left=' + wleft + ', top=' + wtop + ', ' +
    'location=no, menubar=no, ' +
    'status=no, toolbar=no, scrollbars=yes, resizable=no');
  // Just in case width and height are ignored
  win.resizeTo(w, h);
  // Just in case left and top are ignored
  win.moveTo(wleft, wtop);
  win.focus();
}

/************************************************************************************************/

function clickLink(linkId)
{
  var fireOnThis = document.getElementById(linkId)
  if (document.createEvent)
  {
    var evObj = document.createEvent('MouseEvents')
    evObj.initEvent( 'click', true, false )
    fireOnThis.dispatchEvent(evObj)
  }
  else if (document.createEventObject)
  {
    fireOnThis.fireEvent('onclick')
  }
}

/************************************************************************************************/

function clickLinkInOpener(linkId)
{
  var fireOnThis = window.opener.document.getElementById(linkId)
  if (document.createEvent)
  {
    var evObj = document.createEvent('MouseEvents')
    evObj.initEvent( 'click', true, false )
    fireOnThis.dispatchEvent(evObj)
  }
  else if (document.createEventObject)
  {
    fireOnThis.fireEvent('onclick')
  }
}

/************************************************************************************************/