MediaNews group, the fourth largest newspaper company in the United States, and Irvine-based WebVisible, a provider of search engine marketing products, said yesterday that the companies have started marketing TrafficMAX, an interactive advertising product based on WebVisible's products. The new service provides advertisers with full-service, search engine marketing. Customers of MediaNews Group can now place their locally targeted ads in sponsored search results on search engines such as Google and Yahoo. Terms of the deal were not disclosed. WebVisible is backed by Redpoint Ventures.