<input type="radio" name="test" onclick="r2.style.display='none';r1.style.display=''" checked><input id="r1">
<br>
<input type="radio" name="test" onclick="r1.style.display='none';r2.style.display=''"><input id="r2" style="display:none">
<br>
<input type="radio" name="test" onclick="r1.style.display='none';r2.style.display=''"><input id="r2" style="display:none">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>New Page 1</title>
<script>
function CheckText(radioButton){
if(radioButton == document.all.R1[0]){
document.all.T1.style.display = "none";
document.all.T2.style.display = "";}
else
{
document.all.T1.style.display = "";
document.all.T2.style.display = "none";}
}
</script>
</head><body> <p><input name="T1" size="20" style="display:none" value = "1">
<input name="T2" size="20" style="display:none" value = "2"></p>
<input type="radio" value="V1" name="R1" onclick = "CheckText(this)">
<input type="radio" value="V2" checked name="R1" onclick = "CheckText(this)">
</body></html>