This function centers the navmenu on the screen.
All values are in pixels.
During his tenure, he was instrumental in guiding and developing the company to become the industry research standard among online agencies and ad-supported websites for buying and selling web advertising. Mr. Spangenberg has also served in senior executive positions at major U.S. publishing houses. As Publisher at Cahners Publishing, he was responsible for all aspects of Datamation Magazine, including financial performance, advertising sales, marketing, editorial, and circulation. During his tenure, Datamation won the Computer Press Association s award for Best Technical Trade Magazine. As Group Vice President at the McGraw Hill Companies, Mr. Spangenberg led business process reengineering efforts.