<form method="get" action="http://www.google.com.vn/xhtml">Tìm kiếm GOOGLE<input type="text" name="q" maxlength="2048" size="15" value=""/><input type="radio"name="site"value="mobile" checked="checked"/>mobile</br><input type="radio" name="site"value="seach"/>internet<br/><input type="submit"name="btnG"value="tìm kiếm"/><input type="hidden"name="mrestrict"value="xhtml"/></form>