function dot_wysiwyg_get_screen_size()
{
  if (self.innerHeight) // all except Explorer
  {
    screenX = self.innerWidth;
    screenY = self.innerHeight;
  }
  else if (document.documentElement && document.documentElement.clientHeight)
  // Explorer 6 Strict Mode
  {
    screenX = document.documentElement.clientWidth;
    screenY = document.documentElement.clientHeight;
  }
  else if (document.body) // other Explorers
  {
    screenX = document.body.clientWidth;
    screenY = document.body.clientHeight;
  }
}