The largest overnight purses in New Jersey history will be offered at Monmouth Park, which begins its meet May 26.Purse supplements recently signed into law by acting Gov. Donald DiFrancesco will fuel the $300,000 per day average in overnight purses at Monmouth. Including stakes, the daily average will be $350,000."It's the largest overnight amount ever offered in the history of New Jersey," said Bruce Garland, executive vice president of racing for the New Jersey Sports and Exposition Authority, which operates Monmouth and Meadowlands. The condition book for Monmouth is due the week of April 30."The supplement is a terrific boost for our industry," said Dennis Drazin, legislative counsel for the New Jersey Thoroughbred Horsemen's Association.In addition to the purse supplements, which totaled $11.7 million for the two tracks (Thoroughbred and Standardbred racing), the NJSEA has allocated more than $12 million for capital improvements at Monmouth in 2001."With nearly $24 million invested in the (purse) supplements and capital improvements, the Sports Authority and New Jersey are committed to the future of Thoroughbred racing in the state," said James DiEleuterio Jr., president and chief executive officer for the NJSEA.The 73-day Monmouth meet will run through Sept. 2.