function makeWnd(url,wndname, w, h) {
  var xMax = screen.width, yMax = screen.height;
  var xOffset = (xMax - w)/2, yOffset = (yMax - h)/2-25;
  remoteWin = window.open(url,wndname,"scrollbars,width=" + w + ",height=" + h + ",top=" + yOffset + ",left=" + xOffset);
  if (remoteWin.opener == null) 
    remoteWin.opener = window;
  else
    remoteWin.focus();
  return remoteWin;
}

function ShowPhoto(name)
{
  iw=makeWnd(name,'photov', 569, 430);
  iw.focus();
  return;
}