[FIX] imagegals: don't hardcode the height of the popup content - the image could be bigger than 400px in height.
[FIX] imagegals: don't hardcode the height of the popup content - the image could be bigger than 400px in height.

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@31811 b456876b-0849-0410-b77d-98878d47e9d5

changi67/tiki,tikiorg/tiki,changi67/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,changi67/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki