\ifnum\ltjgetparameter{direction}=3%
\define@key{Gm}{hdivide}{\Gm@parse@divide{#1}{tmargin}{width}{bmargin}}%
\define@key{Gm}{vdivide}{\Gm@parse@divide{#1}{rmargin}{height}{lmargin}}%
-\define@key{Gm}{divide}{\Gm@parse@divide{#1}{lmargin}{width}{rmargin}%
+\define@key{Gm}{divide}{\Gm@parse@divide{#1}{tmargin}{width}{bmargin}%
\Gm@parse@divide{#1}{rmargin}{height}{lmargin}}%
\define@key{Gm}{hmargin}{\Gm@branch{#1}{tmargin}{bmargin}}%
\define@key{Gm}{vmargin}{\Gm@branch{#1}{rmargin}{lmargin}}%