A framework for implementing web-based applications using standard object-oriented programming techniques. Therefore, the control device reduces the shift shock when the vehicle power transmission device is switched from the non-driving to the driving state. The device removably replaces the conventional front handle on a sander and the new handle has functionality as both a handle and an actuator for the belt sander eraser. The strength of the triggering signal is used to detect wheel positions by determining that each transceiver is disposed at which wheel. The compounds and compositions provided herein relate to spiro-oxindoles which function as antagonists of the interaction between p53 and MDM2, and their use as therapeutics for the treatment of cancer and other diseases. The presence server senses whether the calling party has indicated his or her presence; if so, it is inferred that the calling party is probably present and available for a return call.