How to add button in navi bar?

[cuil]

I want to know just edit DisplayNav or Where is  about DisplayNav file??



I want to add facebook login button in navi (true?) bar? same pic


 

 

solution 1.I try to find edit in header.tpl but dont work for position,solution2 HTML Box dont work

button code :<p align="right"><a style="color:white" title="Login with your Facebook Account" class="button_large" href="{$link->getModuleLink('fbconnect_psb', 'login', array(), true)}">Facebook Login</a></p>

Now ..But I'm not happy

mysite : www.lorashop.com/index.php

Thank you so much


Regard

Edited August 20, 2014 by cuil (see edit history)