I recently bought an OBD cable (w. software) from:
http://www.obdtool.com/
$71 and you can switch off the CHECK ENGINE light anytime. Also look at and sort out the fault that triggered the light in the first place. In my case it was 'Idle Adaptation at limit' - carbon buildup on throttle plate - an easy fix with a rag and can of carburettor cleaner.