i found some info in code:
<catalog_product_compare_index translate="label">
<label>Catalog Product Compare List</label>
<!-- Mage_Catalog -->
<reference name="root">
<action method="setTemplate"><template>page/popup.phtml</template></action>
</reference>
<reference name="head">
<action method="addJs"><script>scriptaculous/scriptaculous.js</script></action>
<action method="addJs"><script>varien/product.js</script></action>
<action method="addJs"><script>varien/product_options.js</script></action>
<action method="unsetChild"><name>head.viewport</name></action>
</reference>
<reference name="content">
<block type="catalog/product_compare_list" name="catalog.compare.list" template="catalog/product/compare/list.phtml"/>
</reference>
</catalog_product_compare_index>
