function show_helper(input)
{
  winpops=window.open(input.href,input.target,"width=400,height=150");
  return false;
}

function show_helper_large(input)
{
  winpops=window.open(input.href,input.target,"width=500,height=180");
  return false;
}

function open_parent_and_close(input)
{
  window.opener.location=input.href;
  thiswin=window;thiswin.close()
  return false;
}