gistfile1.xml

<!-- in page.xml - the default layout -->


    <default translate="label" module="page"> <!-- the default applies to all pages unless specifically overridden -->
        <label>All Pages</label>


        <!-- this defines the block for the entire page -->
        <block type="page/html" name="root" output="toHtml" template="page/3columns.phtml">

            <!-- this defines a block within the main block. in this case, the head block -->
            <block type="page/html_head" name="head" as="head">
                <action method="addJs"><script>prototype/prototype.js</script></action>