Send SMS Using Webform

Hi All

Am a newbie in drupaL and i really have been overwhelmed by its power... like they say you dream it and drupal will do it. I would lIke to have my users to send SMS on a site am developing and i am using webform module to provide the interface but i have no idea how to change or provide it with a processing or funtion for the submit button to send the SMS using the clickatell gateway or even by email gateways. am using drupal 5 with the following modules webform SMS gateway,sms-framework, smssend, and smsemail . anyone with an idea plese advice me on how i will achieve these.
Thanks