1 Exhibit 10.7(a) PLEDGE AND ESCROW AGREEMENT THIS AGREEMENT, made and entered into this 17th day of May, 1999, by and between JOHN LOFQUIST ("Pledgor") and NOFAL KAHOOK ("Pledgee"), and BURT E. EISENBERG, P.A. ("Escrow Agent"). W I T N E S S E T H:...