While I understand the frustration that comes with seeing the same questions asked several times over, I also see no reason to respond, especially in a negative manner, unless you will actually guide the person to a solution. If they see no one is responding often times a person will explore the site, and find the answer to their query. Spamming links to pages that in no way answer simple questions is as bad asking the question in the first place. Anywho rant off and a link to actual information supplied

http://www.tech-faq.com/multiple-monitors-laptop.shtml <--that page will let you know pretty much everything you need to get into a multiple monitor setup on your laptop. Keep in mind a majority of "normal" laptops do not have the capability to span monitors they typically just mirror. If you happen to have a decent gaming rig or you decided to upgrade the graphics card on your old college machine you may be able to run something like what you were inquiring.