Click on a "radio" widget. <BODY ref="13"><DIV id="wrap" ref="14"><DIV id="area" ref="15"><DIV classes="widget" ref="1"><INPUT_text ref="2" value="U2h"></INPUT_text></DIV><DIV classes="widget" ref="3"><INPUT_text ref="4" value="zH0"></INPUT_text></DIV><DIV classes="widget" ref="5"><LABEL ref="6"><INPUT_radio ref="7" value="False"></INPUT_radio><t ref="-1" text="Tw"></t></LABEL></DIV><DIV classes="widget" ref="8"><BUTTON ref="9" text="wctW"></BUTTON></DIV><DIV classes="widget" ref="10"><INPUT_text ref="11" value="u"></INPUT_text></DIV></DIV></DIV></BODY>