Fixed mplex layer1 initial stacking while there were regions visible on layer2.
Fixed mplex layer1 initial stacking while there were regions visible on layer2.

darcs-hash:20050624103315-4eba8-7e6d8d042ba1b369c690b47389a127eb4cf66d4a.gz

p5n/notion,dkogan/notion.xfttest,dkogan/notion.xfttest,p5n/notion,raboof/notion,anoduck/notion,dkogan/notion,knixeur/notion,neg-serg/notion,dkogan/notion,dkogan/notion,knixeur/notion,neg-serg/notion,neg-serg/notion,dkogan/notion.xfttest,p5n/notion,dkogan/notion,anoduck/notion,anoduck/notion,anoduck/notion,knixeur/notion,raboof/notion,raboof/notion,p5n/notion,p5n/notion,knixeur/notion,knixeur/notion,dkogan/notion.xfttest,raboof/notion,dkogan/notion,anoduck/notion,neg-serg/notion