There is a nice script available on http://www.reddyss.com/SQLDownloads.aspx
To be able to use it on any database you can create it like in: http://nickstips.wordpress.com/2010/10/18/sql-making-a-stored-procedure-available-to-all-databases/
Not sure if there is other way.
To use it then use something like this:
use name_of_database
EXEC spUtil_SearchText 'value_searched', 0, 0