Blogspot posts em dois idiomas com JavaScript/Blogspot multilanguage posts with JavaScript
<div id="form1" style="font-family:Sans-serif; font-size: 8pt;">
<input checked="" name="langPort" onchange="getTextPort()" type="radio">Português</input>
<input name="langEng" onchange="getTextEnglish()" type="radio">English</input>
</div>