<SCRIPT LANGUAGE="VBScript">
function bb()
for i=0 to aa.length-1
if document.all.aa(i).checked = true then
msgbox document.all.aa(i).value
end if
next
end function
</SCRIPT>
<input type=radio name=aa value="a">a<br>
<input type=radio name=aa value="b">b<br>
<input type=radio name=aa value="c">c<br>
<input type=button value=看看 onclick="bb()">