how to make a passed session variable readonly?

The following line receives a value for callsign from a registration form via a session variable:

<input type="text" name="callsign" id="myfield" value="<%= session("callsign")%>" size="8" maxlength="8" />

once the passed variable appears on the form I would like to make it readonly so that the registrant cannot change it at that point.  Is this possible and how would the code appear? Thank you.
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To stay with what appears to be XHTML syntax:

<input type="text" name="callsign" id="myfield" value="<%= session("callsign")%>" size="8" maxlength="8" readonly="readonly" />

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NZ7CAuthor Commented:
Thank you for helping!.

 When I open the form as a stand alone page, after inserting your  code above,, you can not indeed  place a cursor or enter text in the blank form field - which is great!

 HOWEVER, when I activate the form on the site and actually pass the session variablle to it - it still allows me to place a cursor in the text box and edit. Thus the passing of the varaible seems to overide the readonly aspect. Any ideas?
You can add an additional hidden field

<input type="HIDDEN" name="callsign" id="myfield" value="<%= session("callsign")%>" size="8" maxlength="8" readonly="readonly" />

Or try disabled="disabled"

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NZ7CAuthor Commented:
dfu23 was 100% correct. I discovered a was forwarding the session variable to an ialmost identical form with different name. His answer works perfectly. Thank you very much for the help.
Just curious,

If I was 100% correct why wasn't my comment accepted as the answer (or an assist)?
NZ7CAuthor Commented:
Oh rats! I clicked the wrong person dfu23 - I am most sorry! You were 100% correct and I thought I marked your answer as accepted - but apparently I clicked on chisholmd by accident. The 500 points should have gone all to dfu23.

I'm not familiar enough with the mechanics of this forum, but can I report my blunder to a site administrator and have the points reallocated 100% to you?  I really do apologize - your answer was right on the money. Please let me know if you are aware of a means for me to undo and reallocate the points. Thank you.
Post a question for 0 points here:

Make sure you mention this question (Q_21424928) and what you want to do ...
NZ7CAuthor Commented:
dfu23 -
I submitted a request through community support to transfer the points to you. Hopefully that will work.
Regards, NZ7C
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