That makes sense. Thank you very much. Eric
-----Original Message-----
From: Craig R. McClanahan <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Thursday, August 26, 1999 1:07 PM
Subject: Re: any difference between coding javascript in servlet and puting
itin a file
>eric liu wrote:
>
>> Hello there: I am trying to program a servlet which interact with client
>> through a set of navigation buttons (using form). I put the javascript in
>> a separate file, the script like this:
>> function showDetails(butt){
>> if(butt=="next"){do something}
>> if(butt=="previous"){do something}
>> etc.
>> }
>> and in the servlet, I defined a form name "memberlookup" which includes
>> these hidden values:
>> <input type="hidden" name="rowid1" value="start">
>> <input type="hidden" name="rowid2" value="end">
>> <input type="hidden" name="totalrecords" value=totalrecords>
>> and button types as:
>> <input type=button name="nxet" value=" > " onClick="showDetail('next')">
>> etc.
>>
>> When I test the button, the browser give me error:
>> 'document.memberlookup.rowid2' is not an object.
>>
>> But when I put the javascript in the servlet, it works. I am wondering
>> if there is any difference between coding it in the servlet and puting
>> it in a file. Any help is appreciated. Eric Liu
>>
>
>There is a difference. The JavaScript "document" object refers to the
>document that this script is in. When you put the function in the same
page
>as the form, it's the same "document" object so it works. (Servlet
generated
>or static HTML does not matter, by the way). When you put the script in a
>different file, it's "document" object is different, so the form object is
not
>available.
>
>There are a variety of ways in JavaScript for scripts in one page to refer
to
>objects in another -- I suggest you check out a JavaScript guide, or ask
>questions on a JavaScript related list.
>
>Craig McClanahan
>
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