DreamWorks Animation SKG, the film production company behind ""Shrek,"" ""Over the Hedge"" and other feature-length cartoons, said in a regulatory filing Friday it reduced its revolving credit limit by half.

The animation studio had been able to borrow up to $200 million under the 2004 agreement, but on June 29 decided to reduce its limit to $100 million, according to the filing with the Securities and Exchange Commission.

The company had no debts outstanding under the agreement as of Friday.

Shares of DreamWorks Animation SKG fell 15 cents to close at $28.60 Friday."