In 2-quart saucepan over medium heat, cook onion in oil until tender but not brown, stirring occasionally. Add tomatos and chiles, bring to a simmer and cook 5 minutes. Meanwhile, toss cheeses with cornstarch, gradually add to tomato mixture, stir until melted. Stir in surimi seafood, turn into top of chafing dish or fondue pot to keep warm over hot water, or alchol or candle burner. Serve with corn chips, crackers and raw vegetables for dipping.
