THE CITY OF SUMMIT, A MUNICIPAL CORPORATION OF THE STATE OF NEW JERSEY, PLAINTIFF-APPELLANT, v. HORTON CORPORATION, A CORPORATION, ETC., CONTINENTAL CASUALTY COMPANY, A CORPORATION, ETC., AND TOWNVIEW MANOR A, A CORPORATION, ET AL., DEFENDANTS-RESPONDENTS, AND CONTINENTAL CASUALTY COMPANY, A CORPORATION, ETC., THIRD-PARTY PLAINTIFF-RESPONDENT, v. CHARLES BORINSKY, ET AL., THIRD-PARTY DEFENDANTS-RESPONDENTS