Index: branches/5.2.x/core/admin_templates/js/ajax.js
===================================================================
diff -u -N -r15539 -r15857
--- branches/5.2.x/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 15539)
+++ branches/5.2.x/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 15857)
@@ -14,7 +14,7 @@
 // Main AJAX classs
 function Request() {}
 
-Request.timeout = 60000; //60 seconds
+Request.timeout = 60 * 1000; // 60 seconds
 Request.method = 'GET';
 Request.headers = {};
 Request.params = null;
@@ -239,7 +239,7 @@
 	this.BusyRequest = false;
 	this.LastResponceTime = this.GetMicroTime();
 	this.ProgressPercent = 0; // progress percent
-	this.ProgressTime = new Array();
+	this.ProgressTime = [];
 	this.Query();
 }
 
@@ -253,38 +253,38 @@
 }
 
 AjaxProgressBar.prototype.Query = function() {
-//	prompt('requestinng', this.URL);
-	Request.makeRequest(this.URL, this.BusyRequest, '', this.successCallback, this.errorCallback, '', this);
-}
+	var $me = this;
 
-// return time needed for progress to finish
-AjaxProgressBar.prototype.GetEstimatedTime = function() {
-	return Math.ceil((100 - this.ProgressPercent) * Math.sum(this.ProgressTime) / this.ProgressPercent);
-}
+	$.ajaxSetup({cache: false});
 
-AjaxProgressBar.prototype.successCallback = function($request, $params, $object) {
-	var $responce = $request.responseText;
-	var $match_redirect = new RegExp('^#redirect#(.*?)($|\\s.*)').exec($responce);
-	if ($match_redirect != null) {
-		$object.showProgress(100);
-		// redirect to external template requested
-		window.location.href = $match_redirect[1];
-		return false;
-	}
+	$.get(
+		this.URL,
+		function ($response) {
+			var $match_redirect = new RegExp('^#redirect#(.*?)($|\\s.*)').exec($response);
 
-	if (isNaN(parseFloat($responce))) {
-		// error message received, otherwise $responce should be number
-		alert($responce);
-		return ;
-	}
+			if ( $match_redirect != null ) {
+				$me.showProgress(100);
+				// redirect to external template requested
+				window.location.assign($match_redirect[1]);
+				return;
+			}
 
-	if ($object.showProgress($responce)) {
-		$object.Query();
-	}
+			if ( isNaN(parseFloat($response)) ) {
+				// error message received, otherwise $response should be number
+				alert($response);
+				return;
+			}
+
+			if ( $me.showProgress($response) ) {
+				$me.Query();
+			}
+		}
+	);
 }
 
-AjaxProgressBar.prototype.errorCallback = function($request, $params, $object) {
-	alert('AJAX Error; class: AjaxProgressBar; ' + Request.getErrorHtml($request));
+// return time needed for progress to finish
+AjaxProgressBar.prototype.GetEstimatedTime = function() {
+	return Math.ceil((100 - this.ProgressPercent) * Math.sum(this.ProgressTime) / this.ProgressPercent);
 }
 
 AjaxProgressBar.prototype.FormatTime = function ($seconds) {