function breakout_of_frame()
{
  if (top.location != location) {
    top.location.href = document.location.href ;
  }
}

function toggle_visibility(id)
{
  var e = document.getElementById(id);
  if(e.style.display == 'inline')
    e.style.display = 'none';
  else
    e.style.display = 'inline';
}