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Joe D Williams wrote:
> The only 'problem' being that the window.XMLHttpRequest
> seems to work slightlly diferent in IE7 than others by not
> allowing local rurl.

IXMLHTTPRequand (Microsoft) does work just fine with local files -
where allowed by the security environment, of course; but for them the
status code is reported 0 and not 200. This way the regular "Web check"
if (req.status == 200)
fails. To make an ajaxoid able to work with Web requests and with local
files the check has to be:
if ( (req.status == 200) || (req.status == 0) )

Joe D Williams wrote:
> So from what I can see, this should cover reasonable possiblilities?
> // create XMLHttpRequest request
> function createXMLHttpRequest()
> ...

I use this, which seems a little more robust:

/**
* Returns an XMLHttpRequest object, either as a core object or an ActiveX
* implementation. If an object cannot be instantiated, it will return null;
* @returns {Object} An XMLHttpRequest object
*/
AjaxRequest.getXmlHttpRequest = function() {
if (window.XMLHttpRequest) {
return new XMLHttpRequest();
}
else if (window.ActiveXObject) {
// Based on http://jibbering.com/2002/4/httprequest.html
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
return new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
return new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
return null;
}
}
@end @*/
}
else {
return null;
}
};


--
Matt Kruse
http://www.JavascriptToolbox.com
http://www.AjaxToolbox.com