when assignment ID is set to ASSIGNMENT_ID_NOT_AVAILABLE on manage hit page it produces impossibility to approve submitted tasks, because instead of hits it loads MThelpPage.
Thanks for your contribution! Sorry, I'm confused -- doesn't your suggested edit always set window.location = MThelpPage and return false if "this.assignmentId=='ASSIGNMENT_ID_NOT_AVAILABLE'"?
when assignment ID is set to ASSIGNMENT_ID_NOT_AVAILABLE on manage hit page it produces impossibility to approve submitted tasks, because instead of hits it loads MThelpPage.