Using Form Variables

[vilen]

Hi

I'm pretty new to VB/ASP but I have the following snippet in a web page:

<form method="GET" action="test_page.asp" id="form" name="form">
Option 1 <INPUT TYPE="RADIO" NAME="option" VALUE="1" CHECKED>
Option 2<INPUT TYPE="RADIO" NAME="option" VALUE="2">
Option 3<INPUT TYPE="RADIO" NAME="option" VALUE="3">
<input type="submit" value="Submit" name="button">
</p>
</form>

<%
form_value = Request.Form("option")
%>

<%
If form_value <> "0" then
Response.write "form_value = "& form_value &""
%>

I want as a first step to have the value of form_value written to the screen, e.g. form_value = 1 or form_value = 2

but instead all that appears on the page on the server is form_value =
with no value filled in.

It appears to be really simple, so I can't figure out why it's not working (I want to set another variable based on the value of form_value).

Any ideas?

TIA.