changed error message rewrite to popup
changed error message rewrite to popup

teharrison/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,wilke/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST