No, there's absolutely nothing wrong with a network bar... many sites have one and it's not illegal in any way.
Google's just suffering some major problems because of their recent BigDaddy data center upgrade, and thousands of pages are dropping randomly because of it. Matt Cutts (google search architect and blog public relations) said it will be resolved as soon as possible, but could take a week or two to stabalize. This came as a result of a multi-billion page spammer flooding the google systems.