';}
if ( strlen($_GET['tri']) != 2 ) {
if ($fr == 0 ) { $filename = "triangle_lb.png";
echo '
';}
elseif ($fr == 1 ) { $filename = "triangle_lt.png";
echo '
';}
elseif ($fr == 2 ) { $filename = "triangle_rt.png";
echo '
';}
elseif ($fr == 3 ) { $filename = "triangle_rb.png";
echo '
';}
else {
echo '
';}
}
?>
';
?>