<script language="JavaScript">
function offButton()
{
var the_box = window.document.form_1.radio_1;

if (the_box.checked == true) {
window.document.form_1.radio_2.checked = false;
window.document.form_1.text.value="rtc这小子真聪明";

}
}

function onButton()
{
var the_box = window.document.form_1.radio_2;

if (the_box.checked == true) {
window.document.form_1.radio_1.checked = false;
window.document.form_1.text.value="rtc这小子连WOW都不知道";

}
}

</script>
<form name="form_1">
<p><font color="red"><input type="radio" name="radio_1"

onClick="offButton();"> </font><font
face="宋体" color="red"> 聪明<br>
<input type="radio" name="radio_2" onClick="onButton();" checked> 苯苯<br>
<input type="text" name="text">
</font></p>
</form>