function _BlinkLight( light )
{
	if( !light )
		return;
	function light_proc( light )
	{
		for( i = 0; i < 3; ++i )
		{
			light.enabled = true;
			yield 0.25;
			light.enabled = false;
			yield 0.25;
		}
	}
	thread light_proc( light );
}