The 50 meter long, 593 dwt freighter MS Straumvik went ashore near Bergen, Norway.   The freighter suffered some damage to its hull with a small hole in the ballast tank.    None of the four crew on board was injured.   Attempts will be made to release the vessel on the next high tide.   The Straumvik was bound for Eikefet in ballast before the grounding.   Initial tests on the crew for alcohol were negative.  Authorities have started an investigation into the incident.