Put the script loading in test in a try/catch because it was causing an error in certain cases with Opera.
Put the script loading in test in a try/catch because it was causing an error in certain cases with Opera.

grengojbo/grappelli-admin-tools-trunk,grengojbo/grappelli-admin-tools,grengojbo/grappelli-admin-tools-trunk,grengojbo/grappelli-admin-tools,grengojbo/grappelli-admin-tools,grengojbo/grappelli-admin-tools-trunk