Modify flash movie-call php functions

PHP and Flash Developer needed. ** Flash Requirements:** You will be Modifying a flash component I have installed on my server * there is already an upload button in the app but it only enables user to upload 1 or more images * add a new panel to manage file uploads * Enable 1 or bulk video uploads (mp4, mpeg, avi, 3gp, flv, mov) * On the uploads panel, display a list of successfully uploaded files * display 3 or 4 buttons next to the list * each button, when pressed, will call a php script **PHP requirements:** write a simple php script to execute a java app installed on my server using shell_exec. a couple of the processes run by will be long, so the script should either return a message to flash movie when the process is finished, OR send an email when it's done