get and validate the custom field of lightbox.

Hello ,
I am new to the calendar, so i would like to know
1)how to get the custom field value when added to light box and validate that value using java script.
2)where i have to apply that javascript like it must be in index page.
Please reply asap.

Thanks and Regards
Lokesh Kataria


sorry can’t understand what are you trying to do
please clarify