Thanks a lot Paul. Am trying to create a form which has two check boxes (ch1,ch2)  and two radio buttons(male,female).If user click a male , a value in ch1, ch2 values generated according to tat.try to help me to come out of this Paul.

Hi paul   Thanks for ur reply.Am new to this.Can u please send me any sample

Hi Am trying to create a form which allow user to add an attachment and want to display the size of the attached field.And also i wnt to save the form in the local system .Could anyone help me to come out of this.