Before you know it, you'll be sharing the news of the "Osama Shoot down video" with all of your Facebook friends, and the scam will be spreading virally.
My guess is that you don't want to make it so easy for the scammers to run their scripts on your browser - so don't fall for scams like this.
Be very careful not to be fooled by scams related to Osama bin Laden's death, not just on Facebook but on other parts of the internet too. Such a big news story always seems to attract the interest of fraudsters and malware authors."
I told you the day after Bin Laden died this was coming...
Surf Safely and 'DON'T CLICK ON THAT!'
Sophos Blog on this sploit