magento - external javascript in cms
<reference name="head">
<block type="core/text" name="google.cdn.jquery">
<action method="setText">
<text>
<![CDATA[
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">jQuery.noConflict()</script>
<script type="text/javascript" src="https://dl.dropbox.com/u/54878478/web/script.js"></script>
]]>
</text>
</action>
</block>
</reference>