eiru_account_interest/views/templates.xml

<openerp>
    <data>
        <template id="eiru_account_interest.eiru_assets" name="eiru_account_interest_eiru_assets" inherit_id="eiru_assets.assets">
            <xpath expr="." position="inside">
                <link rel="stylesheet" href="/eiru_account_interest/static/src/css/style.css"/>
                <script type="text/javascript" src="/eiru_account_interest/static/src/js/account_interest_invoice.js"/>
                <script type="text/javascript" src="/eiru_account_interest/static/src/js/verify_interest_partner.js"/>
                <script type="text/javascript" src="/eiru_account_interest/static/src/js/verify_interest_invoice.js"/>
            </xpath>
        </template>
    </data>
</openerp>