程序代码：

<input name="option" type="radio" value="1" >
<input name="option" type="radio" value="2" >
<input name="option" type="radio" value="3" >
<a href="#"><img src="5.jpg" width="95" height="81" border="0" onClick="pk()"/>
<script type="text/vbscript">
function pk()
if document.getElementById("option")(1).checked = true then
    y = 1
elseif document.getElementById("option")(2).checked = true then
    y = 2
else
    y = 3
end if
msgbox y
end function

程序代码：

if document.youforname.option[1].checked = true then
    y = 1
elseif document.youforname.option[2].checked = true then
    y = 2
else
    y = 3
end if

document.getElementById("option")("option1").checked = true

程序代码：

if document.youforname.option[1].checked = true then
    y = 1
elseif document.youforname.option[2].checked = true then
    y = 2
else
    y = 3
end if