eiru_invoice_status_change/views/templates.xml

<openerp>
    <data>
        <template id="eiru_invoice_status_change.eiru_assets" name="eiru_invoice_status_change_eiru_assets" inherit_id="eiru_assets.assets">
            <xpath expr="." position="inside">  
                <script type="text/javascript" src="/eiru_invoice_status_change/static/src/js/eiru_invoice_status_change.js"/>
            </xpath>
        </template>
    </data>
</openerp>