Need to finish the other feature branch.
class="nav-tab{if $option == 'list'} nav-tab-active{/if}">Search Invoices</a>
<a href="{$thisUrl}?page=glm-members-admin-menu-billing&glm_action=invoices&option=add"
class="nav-tab{if $option == 'add' || $option == 'edit'} nav-tab-active{/if}">Create Invoice</a>
+ {* Bulk Add not ready yet
<a href="{$thisUrl}?page=glm-members-admin-menu-billing&glm_action=invoices&option=bulkadd"
class="nav-tab{if $option == 'bulkadd'} nav-tab-active{/if}">Create Bulk Invoices</a>
+ *}
</h2>