通过脚本判断啊
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<INPUT TYPE="radio" NAME="ra" onclick="myclick()">
<INPUT TYPE="radio" NAME="rb" onclick="myclick()">
<INPUT TYPE="radio" NAME="rc" onclick="myclick()">
<div id=mydiv></div>
<div id=mydiv1></div>
</BODY>
</HTML>
<SCRIPT LANGUAGE="vbScript">
<!--
sub myclick()
dim mycheck
mycheck = false
if document.all("ra").checked then
document.all("mydiv").innerhtml = "你点击了第一个选项"
mycheck=true
else
mycheck = false
end if
if document.all("rb").checked then
document.all("mydiv").innerhtml = "你点击了第二个选项"
mycheck=true
else
mycheck = false
end if
if document.all("rc").checked then
document.all("mydiv").innerhtml = "你点击了第二个选项"
mycheck=true
else
mycheck = false
end if
if mycheck= true then
document.all("mydiv1").innerhtml = "你选择了三个选项"
end if
end sub
//-->
</SCRIPT>