Serach functonalities will available when you configure your site with SSP(Sharepoint services Provider)...then you can do serach scope of your particular site1 or site2............... You want be configure ssp ...click on ssp in the left pane and create ssp to your website,then you can make search result to your site......

I too have the same problem as the poster above and trust me when I tell you, the solution you posted is incorrect. Please post solutions that you know are true and or correct. Another way of changing the display is here at the link below but it doesnt apply to if you want a user's name to be displayed as their firstname and lastname. http://www.edugeek.net/forums/virtual-learning-platforms/25986-show-username-not-full-name-sharepoint.html