CFM error

Hi guys,

I have encountered a weird problem. I am suppose to pass some variables from an ASP page over to another CFM page. On certain PCs, it works fine. On others, it'll show me the error that the variable stored in the session is undefined.

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Error resolving parameter SESSION.USERID
The session variable USERID does not exist. The cause of this error is very likely one of the following things:

1. The name of the session variable has been misspelled.
2. The session variable has not yet been created.
3. The session variable has timed out.
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The above mentioned error only occurs on certain PCs. I've checked the cookie settings, and everything is the same for all the PCs.

ASP
=========================================
<form name="form" Action="dloginaction.cfm" METHOD="POST" id="form">
<input type='hidden' name='Userid' value='<%=userID%>'>
<input type='hidden' name='Password' value='<%=password%>'>
</form>
<Script Language=Javascript>
this.form.submit();
</Script>
=========================================

CFM
=========================================
<cfset userid='#form.Userid#'>
<cfset password='#form.Password#'>
=========================================

Does anyone have any insights? Thank in advance...

Keith