+/*
+ * Create the request object; Microsoft failed to properly
+ * implement the XMLHttpRequest in IE7 (can't request local files),
+ * so we use the ActiveXObject when it is available
+ * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
+ * we need a fallback.
+ */
+if ( window.ActiveXObject ) {
+ jQuery.ajaxSettings.xhr = function() {
+ if ( window.location.protocol !== "file:" ) {
+ try {
+ return new window.XMLHttpRequest();
+ } catch(xhrError) {}
+ }
+
+ try {
+ return new window.ActiveXObject("Microsoft.XMLHTTP");
+ } catch(activeError) {}
+ };
+}
+
+// Does this browser support XHR requests?
+jQuery.support.ajax = !!jQuery.ajaxSettings.xhr();
+
+})( jQuery );