How to develop educational portal project?

Sep 12 2012 2:50 PM

am developing educational portal project.My project theme is conduct the on line exam for students.How can i use the radio buttons and how can set the time with out using ajax for exam ofter complete the time student doest allow to write exame and i want count the total marks of online exam and send to data base.which type of code i need to write for radio buttons please give suggetions