900 Pound Man SaidSEATTLE CAP) — Jon Minnoch, the Bainbridge Island man believed to weigh between 800 and 900 pounds, is in critical condition, his doctor savs.The 3S-vear-o!d Minnoch, 36, is undergoing treatment at University Hospital for complications from obesity. His condition slipped from serious to critical late Sunday.Minnoch, who had been bedridden for severalmonths, was carried from his home on a makeshift plywood stretcher last Tuesday after volunteer firemen removed a five-foot bedroom window.Dr. Robert Schwartz, an endocrinologist, said Minnoch displays symptoms of the pickwickian syndrome— in which insufficient breathing causes levels of carbon dioxide in the bloodstream to rise. Obesity may contribute to the disease because of excess weight on the lungs andthe difficulty of breathing, he said.