This XML file does not appear to have any style information associated with it. The document tree is shown below.
<layout version="0.1.0">
<default>
<reference name="head">
<action method="addJs">
<script>mage/adminhtml/browser.js</script>
</action>
<action method="addJs">
<script>lib/flex.js</script>
</action>
<action method="addJs">
<script>mage/adminhtml/flexuploader.js</script>
</action>
<action method="addJs">
<script>german/localepackde/setup.js</script>
</action>
<action method="addJs">
<script>lib/FABridge.js</script>
</action>
<action method="addJs">
<script>mage/adminhtml/variables.js</script>
</action>
</reference>
</default>
</layout>