website_multi/data/data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">

        <record id="website.default_website" model="website">
            <field name="menu_id" ref="website.main_menu"/>
        </record>

        <record id="website.main_menu" model="website.menu">
            <field name="website_id" ref='website.default_website'/>
        </record>

        <record id="website.menu_homepage" model="website.menu">
            <field name="website_id" ref='website.default_website'/>
        </record>

        <record id="website.menu_contactus" model="website.menu">
            <field name="website_id" ref='website.default_website'/>
        </record>

        <record id="website.homepage" model="ir.ui.view">
            <field name="website_id" ref="website.default_website"/>
            <field name="key">website.homepage</field>
        </record>

        <record id="website.contactus" model="ir.ui.view">
            <field name="website_id" ref="website.default_website"/>
            <field name="key">website.contactus</field>
        </record>

        <record id="website.aboutus" model="ir.ui.view">
            <field name="website_id" ref="website.default_website"/>
            <field name="key">website.aboutus</field>
        </record>

    </data>
</openerp>