It's the time of year again for eggnog, good cheer and of course, a bit of online holiday shopping in the office. Nearly one-third (29 percent) of workers, in line with last year's findings, plan to holiday shop online while at work this year, but it may be best saved for lunch hours or break times; half of employers report they monitor the Internet use of employees. This is according to a new survey from CareerBuilder.com conducted between August 21 and September 9, 2008, among more than 5,600 U.S. workers and more than 3,000 hiring managers and HR professionals.