Code Wrapper Google Sites Embed Gadget

<?xml version="1.0" encoding="UTF-8"?>
<Module>
<ModulePrefs
title="Code Wrapper"
title_url="http://sites.google.com/site/mori79/html-gadgets/how-tos/code-wrapper"
description="A gadget to insert your embed code / a gadget to embed HTML and JavaScript"
screenshot="http://lh3.ggpht.com/_qkZzGyIkXmo/TB-6H7VQpfI/AAAAAAAADRw/s9j0eeVSrvo/s800/code-wrapper-screenshot.png"
thumbnail="http://lh3.ggpht.com/_qkZzGyIkXmo/TCZDLZsTvVI/AAAAAAAADS0/ghh__KR-zns/s800/code-wrapper-thumbnail.png"
width="400"
height="300"
author="Mori"
author_email="mori79+gadgets@gmail.com"
author_location="Esfahan, Iran"
author_affiliation="Google"
author_photo="http://lh6.ggpht.com/_qkZzGyIkXmo/TCIyTtdtZJI/AAAAAAAADSQ/slTTimrNT1U/s800/author_photo.png"
author_aboutme="An English teacher, an Internet lover"
author_link="http://sites.google.com/site/mori79/"
author_quote="Follow your heart wherever it takes you.">
<Require feature="setprefs"/>
</ModulePrefs>
<UserPref
name="code"
display_name="Embed code"
required="true" />
<Content type="html" view="home">
<![CDATA[
<style type="text/css">
body {background-color:transparent}
</style>
<script type="text/javascript">
function onLoad() {
var prefs = new _IG_Prefs();
document.write(prefs.getString("code"));
}
gadgets.util.registerOnLoadHandler(onLoad);
</script>
]]>
</Content>
<Content type="html" view="configuration" preferred_height="250">
<![CDATA[
<style type="text/css">
p {font-weight:bold}
textarea {width:100%; height:200px; font:10pt monospace; color:#006000; background-color:#efefef; border:1px solid #d3d3d3; padding:0.5em 0 0.5em 1em; line-height:100%}
</style>
<p>Embed Code:</p>
<textarea id="code" rows="1" cols="1">__UP_code__</textarea>
<script type="text/javascript">
function registerHandlers() {
var prefs = new gadgets.Prefs();
var pref = document.getElementById('code');
var handler = function() {
prefs.set('code', document.getElementById('code').value);
};
pref.onchange = handler;
pref.onkeyup = handler;
}
gadgets.util.registerOnLoadHandler(registerHandlers);
</script>
]]>
</Content>
</Module>