Can I use java helper classes (that connect to a database and retrive data) inside LHS and RHS in order to achive some business requirements.<br><p>&#32;

<hr size=1>Finding fabulous fares is fun.<br><a href="http://farechase.yahoo.com/promo-generic-14795097;_ylc=X3oDMTFtNW45amVpBF9TAzk3NDA3NTg5BF9zAzI3MTk0ODEEcG9zAzEEc2VjA21haWx0YWdsaW5lBHNsawNxMS0wNw--
">Let Yahoo! FareChase search your favorite travel sites</a> to find flight and hotel bargains.