Resolved help

[poojasahu]

hi
i am new in php and developing I am working on a project on line exam.
In this project I have entered test name, subject,unit,no.of qus and marks.
My problem is when I select unit then qus. and marks text box should open automatically and once a unit has been selecte it should be hide for that subject.But it is not working please give me any idea



Thanks