I have overrided the Task standard page with VF custom page and now what i want is to have "Create Recurrence Task" Functionality on Vf Page but i have no idea how to achieve this..

although i have created the Vf page that looks somewhat similar to original "Create RecurrenceTask" Section but what shuld i do in apex to create a series of tasks n shud i use javascript to calculate the frequency of tasks or any other way..

if anyone having ny solution plz hlp..