function enlarge(dir, id, width, height)
{
  if (dir == '/client-area/') {
    width += 325
  } else if (dir == '/buy/') {
    height = parseInt(height) + 31
  } else {
    height = parseInt(height) + 136
  }
  url = dir + 'enlarge.php?id=' + id
  xPos = (screen.width - width) / 2
  yPos = (screen.height - height) / 2
  cm = window.open(url, '', 'width=' + width + ',height=' + height + ',!scrollbars,!menubar,!resizable,left=' + xPos + ',top=' + yPos)
  cm.focus()
}