<INPUT TYPE="radio" NAME="radio" onclick="document.all.txtY.style.display='inline';document.all.txtN.style.display='none'">是<INPUT TYPE="radio" NAME="radio" onclick="document.all.txtY.style.display='none';document.all.txtN.style.display='inline'">否<br>
<input id="txtY" value="是" style="display:none"><input id="txtN" value="否" style="display:none">
<input id="txtY" value="是" style="display:none"><input id="txtN" value="否" style="display:none">
<INPUT TYPE="radio" NAME="radio" onclick="document.all.txtY.style.display='none';document.all.txtN.style.display='inline'">否<br>
<input id="txtY" value="是" style="display:none">
<input id="txtN" value="否" style="display:none">
var returnValue = (this.value=="1")?"text1":"text2";dv.innerHTML = "<input type=text value="+returnValue+">";
</script>
<input type="radio" name="rad1" value="1">是<input type="radio" name="rad1" value="2">否
<div id="dv">
</div>