if (exists $param{fig}) {
$param{width} = '400' unless exists $param{width} and defined $param{width};
$param{height} = '400' unless exists $param{height} and defined $param{height};
if (exists $param{fig}) {
$param{width} = '400' unless exists $param{width} and defined $param{width};
$param{height} = '400' unless exists $param{height} and defined $param{height};