MOBILE PHONE TRACKING

I REQUIRE A PROGRAM THAT WILL GIVE A LOCATION OF CELL PHONE VIA IT'S INBUILT GPS OR IF GPS IS OFF, TO USE GSM CELL-TOWERS FOR TRIANGULATION. THE CLIENT PROGRAM FOR (CELL PHONE) MUST BE ABLE TO JUST DOWNLOAD VIA URL(WEBSITE) A SELF LOADING PROGRAM THAT WILL BE ACTIVATED VIA SMS MESSAGE RECIEVED, AND TO SEND LATITUDE & LONGITUDE CO-ORDINATES BACK TO SERVER (WEBSITE) THAT WILL SHOW UP ON GOOGLE MAPS FOR A TIME PERIOD OF SAY 5MINS FROM ACTIVATION. NO OTHER FEATURES ARE REQUIRED.. JUST A SIMPLE TRACKING FEATURE THAT'S ACTIVATED VIA SMS MESSAGE & TURNS OFF AFTER A SET TIME. A SERVER SIDE (WEB BASED) PROGRAM TO INPUT CELL PHONE NUMBER TO SHOW LOCATION ON GOOGLE MAPS OR SIMILAR MAPS