Always visible content in asp.net

Question

Hi Friend,
As,i am developing a new web page. In that home page i want to design some content as always visible, when on mouse enter it will show, and on mouse leave it will hide.
I visited one link please see that what i explained above.
http://www.aspdotnet-suresh.com/2011/04/ajax-collapsible-panel-control-sample.html
In that link Facebook image is there, when on mouse enter it will show some content and on mouse leave it will hide that content like that i want to display some content in my web page

Please any one help me immediate..