adsense script

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Sorry. If this question should be posted in another section. I've searched but couldn't find a more suitable category than this. I was looking at a site and a "menu bar" caught my attention. I wonder what it does. It seems like a script to read Google adsense content but I'm not certain.When selected, it directs the visitor to a page on googlesyndication which I have no idea what that is. http://www.surecashnow.com/articles.html Could you look at this site and tell me what's going on? The menu bar is right under the header and it's a blue thin bar that says "Ads by Google money from home..." Thanks.