- };
-
- // Timeout checker
- if ( s.async && s.timeout > 0 ) {
- setTimeout(function() {
- // Check to see if the request is still happening
- if ( xhr && !requestDone ) {
- onreadystatechange( "timeout" );
- }
- }, s.timeout);
- }
-
- // Send the data
- try {
- xhr.send( type === "POST" || type === "PUT" ? s.data : null );
- } catch(e) {
- jQuery.handleError(s, xhr, null, e);
- // Fire the complete handlers
- complete();
- }
-
- // firefox 1.5 doesn't fire statechange for sync requests
- if ( !s.async ) {
- onreadystatechange();
- }
-
- function success() {
- // If a local callback was specified, fire it and pass it the data
- if ( s.success ) {
- s.success.call( callbackContext, data, status, xhr );
- }
-
- // Fire the global callback
- if ( s.global ) {
- trigger( "ajaxSuccess", [xhr, s] );
- }
- }
-
- function complete() {
- // Process result
- if ( s.complete ) {
- s.complete.call( callbackContext, xhr, status);
- }
-
- // The request was completed
- if ( s.global ) {
- trigger( "ajaxComplete", [xhr, s] );
- }
-
- // Handle the global AJAX counter
- if ( s.global && ! --jQuery.active ) {
- jQuery.event.trigger( "ajaxStop" );
- }
- }
-
- function trigger(type, args) {
- (s.context ? jQuery(s.context) : jQuery.event).trigger(type, args);
- }
-
- // return XMLHttpRequest to allow aborting the request etc.
- return xhr;
- },
-
- handleError: function( s, xhr, status, e ) {
- // If a local callback was specified, fire it
- if ( s.error ) {
- s.error.call( s.context || window, xhr, status, e );
- }
-
- // Fire the global callback
- if ( s.global ) {
- (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
- }
- },
-
- // Counter for holding the number of active queries
- active: 0,
-
- // Determines if an XMLHttpRequest was successful or not
- httpSuccess: function( xhr ) {
- try {
- // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
- return !xhr.status && location.protocol === "file:" ||
- // Opera returns 0 when status is 304
- ( xhr.status >= 200 && xhr.status < 300 ) ||
- xhr.status === 304 || xhr.status === 1223 || xhr.status === 0;
- } catch(e) {}
-
- return false;
- },
-
- // Determines if an XMLHttpRequest returns NotModified
- httpNotModified: function( xhr, url ) {
- var lastModified = xhr.getResponseHeader("Last-Modified"),
- etag = xhr.getResponseHeader("Etag");
-
- if ( lastModified ) {
- jQuery.lastModified[url] = lastModified;
- }
-
- if ( etag ) {
- jQuery.etag[url] = etag;