var onreadystatechange = function(isTimeout){
// The transfer is complete and the data is available, or the request timed out
if ( xml && (xml.readyState == 4 || isTimeout == “timeout”) ) {
requestDone = true;
var status = jQuery.httpSuccess( xml ) && isTimeout != “timeout” ?
s.ifModified && jQuery.httpNotModified( xml, s.url ) ? “notmodified” : “success” : “error”;
// Make sure that the request was successful or notmodified
if ( status != “error” ) {
// Cache Last-Modified header, if ifModified mode.
var modRes;
try {
modRes = xml.getResponseHeader(“Last-Modified”);
} catch(e) {} // swallow exception thrown by FF if header is not available
if ( s.ifModified && modRes )
jQuery.lastModified[s.url] = modRes;
// process the data (runs the xml through httpData regardless of callback)
