while developing a demo module in openerp v7. i want my module name to be displayed on the main menu for that i am using the following code
<menuitem id="main_menu_demo_module" name="Demo Module"/>
<!-- Main Parent Menu-->
<menuitem id="main_parent_menu_demo_module"
name="Demo Module" parent="main_menu_demo_module"/>
but it still not appearing on to the main menu