Safari XHR Error

Date	2012-03-29 09:37 -0500
From	MC <news@aisus.com>
Newsgroups	comp.lang.javascript
Subject	Safari XHR Error
Message-ID	<4bd1f$4f7476a3$cf9b42fc$12752@ALLTEL.NET> (permalink)
Organization	UseNetServer.com

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Newslist Folks,

The code below works for IE9, Chrome, Firefox but fails on Safari 5 on 
Windows.

Line1: var action = (the specific webservice ie, /ws/WSAPI199B.jsp)
Line2: var myXHR = (function to get browser compliant XHR)
Line3: myXHR.open("POST","/ws/"+action+".jsp");
Line4: myXHR.onreadystatechange=AISUS.APPLICATION.handleResponse;

Line2 gets a valid XHR object. Inspecting using the Safari debugger 
shows that Line3 seems to 'null' the XHR object. Line4 gets the 
following error:
INVALID_STATE_ERR: DOM Exception 11: An attempt was made to use an
object that is not, or is no longer, usable.

Any ideas on whats going on?

Thank you,
MC

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Thread

Safari XHR Error MC <news@aisus.com> - 2012-03-29 09:37 -0500
  Re: Safari XHR Error Tim Streater <timstreater@greenbee.net> - 2012-03-29 15:45 +0100
    Re: Safari XHR Error MC <news@aisus.com> - 2012-03-29 10:04 -0500
  Re: Safari XHR Error Gregor Kofler <usenet@gregorkofler.com> - 2012-03-29 17:22 +0200
  Re: Safari XHR Error MC <news@aisus.com> - 2012-03-29 12:05 -0500
    Re: Safari XHR Error Gregor Kofler <usenet@gregorkofler.com> - 2012-03-29 20:26 +0200
      Re: Safari XHR Error MC <news@aisus.com> - 2012-03-29 14:26 -0500
        Re: Safari XHR Error Gregor Kofler <usenet@gregorkofler.com> - 2012-03-29 21:54 +0200
          Re: Safari XHR Error MC <news@aisus.com> - 2012-03-29 15:24 -0500
    Re: Safari XHR Error Eric Bednarz <bednarz@fahr-zur-hoelle.org> - 2012-03-29 22:28 +0200
      Re: Safari XHR Error David Mark <dmark.cinsoft@gmail.com> - 2012-03-29 18:06 -0700
  Re: Safari XHR Error "Richard Cornford" <Richard@litotes.demon.co.uk> - 2012-03-29 21:39 +0100
    Re: Safari XHR Error MC <news@aisus.com> - 2012-03-29 16:07 -0500
      Re: Safari XHR Error Scott Johnson <noonehome@chalupasworld.com> - 2012-03-29 17:30 -0700
      Re: Safari XHR Error "Richard Cornford" <Richard@litotes.demon.co.uk> - 2012-03-30 01:46 +0100
      Re: Safari XHR Error David Mark <dmark.cinsoft@gmail.com> - 2012-03-29 14:54 -0700

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