implementation instead of declaration

hey,

i have a problem with my intellij 4.5.

my project includes a lot of java files and a jar file that includes both same files and other files i need to run the whole thing.

in the paths->order/export preferences i set the order of the sources so, that MODULE SOURCE is higher than the jar file.

but still, when i try to see a java file declaration (ctrl+b) i get a class file taken from the jar.

any ideas how can i solve this?

thanks.