Add additional Javascript code on OOTB sharepoint ribbon button.

Hello,

We have SharePoint Ent and Project Server 2010 SP-2 environment.

So the requirement is like that we have 1 OOTB "Save" ribbon button for Project Server 2010 Project Detail Pages. Which actually Saves and Publishes the project updates into Project Server database.

Here I have to execute javascript code basically to refresh the page right after user click OOTB "Save" button and Projects gets saved into database.

But here I am not getting any pointer how to add this additional Javascript code into commandaction of existing OOTB "Save" ribbon button, so that my Project gets save and publish and also I'll be able to refresh the page right after the save and publish.

Please help me let me know how can i hook into OOTB SharePoint ribbon button actions.

Thanks !!!

Sachin Vashishth MCTS