web user control and setting hidden input variable

Hi,

In a web user control, I created a hidden input tag on the .aspx page using javascript and I am trying to set it to the browser type.

However it doesn't seem to work. What is the proper syntax for calling it? document.Forms(0).getelementByID("bt") doesn't work.

Thanks

<script language="javascript">
      var browser_type = (navigator.appName == "Microsoft Internet Explorer") ? "ie" : "oth";
      document.forms(0).getElementById("bt").value = browser_type;
      </script>
<input type="hidden" name="bt" id="bt" value="">

GeznaAsked:
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raterusConnect With a Mentor Commented:
You _do_ realize you can determine the browser on the server, as the user-agent is sent in the HTTP headers.
http://aspnet.4guysfromrolla.com/articles/120402-1.aspx
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DonKylesCommented:
This should work for all browsers

<asp:TextBox ID="bt" runat="server" Visible="true" ></asp:TextBox>

In the code file:

 you can put any value into this textbox or you can visible it.

bt.Text = "hello world";
bt.Visible = True;

It would be better if you give more detail why you did it that way.
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