PCM Financial Services, Novato, CA, has launched its online loan center, called Loan-US.com. The site provides a platform for the consumer and mortgage broker community to submit residential loans online, track loan status and obtain information regarding interest rates, loan programs and the loan process. LaSalle Home Mortgage, a division of ABN AMRO Mortgage Group, has launched a web site for borrowers, builders and realtors. The site, www.lasallehomemortgage.com, offers resources on mortgage loans and relocating