Need help with client side javascript and server side codes

Here is my scenario:
I modifed an existing asp.net page to handle existing radio buttons onclick event (were not there before) as the result of newly added database table. When the user click on one of those radio buttons, i process the onclick event using the combination of javascript function and ajaxpro to query the infomation from the newly added table. In order to display the result from the query i added a panel to the main form and formated it into a html fragment and display it inside the panle using document.GetElementByID("panelID").innerhtml. The panel displayed the information correctly, which consider of a line of text (label control) and the number of checkboxes (the number of checkboxes varied depend on the number rows returned). At this point the user can make changes to the selection as desired. I would like to save the text of those selected checkboxes when the user click on the Save button of the main form. The prob ...