Index: branches/unlabeled/unlabeled-1.1.2/core/admin_templates/js/ajax.js
===================================================================
diff -u -r6734 -r6899
--- branches/unlabeled/unlabeled-1.1.2/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 6734)
+++ branches/unlabeled/unlabeled-1.1.2/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 6899)
@@ -254,4 +254,51 @@
 	document.getElementById('progress_bar[done]').style.width = $display_progress + '%';
 	document.getElementById('progress_bar[left]').style.width = (100 - $display_progress) + '%';
 	return $percent < 100 ? true : false;
+}
+
+// AJAX PopupManager class
+function AjaxPopupManager($url) {
+	this.URL = $url;
+	this.ResponceFunction = null;
+	this.PopupSizes = new Array();
+}
+
+AjaxPopupManager.prototype.GetSize = function ($template) {
+	if (typeof this.ResponceFunction != 'function') {
+		alert ('Please define responce function first');
+	}
+	
+	if (!isset(this.PopupSizes[$template])) {
+//		alert('from ajax');
+		var $url = this.URL + '&type=GetPopupSize&template_name=' + $template;
+		Request.makeRequest($url, this.BusyRequest, '', this.successCallback, this.errorCallback, ['GetSize', $template], this);
+	}
+	else {
+//		alert('from cache');
+		this.ResponceFunction(this.PopupSizes[$template]);
+	}
+}
+
+AjaxPopupManager.prototype.successCallback = function($request, $params, $object) {
+	var $responce = $request.responseText;
+	var $match_redirect = new RegExp('^#redirect#(.*)').exec($responce);
+	if ($match_redirect != null) {
+		// redirect to external template requested
+		window.location.href = $match_redirect[1];
+		return false;
+	}
+	
+	switch ($params[0]) {
+		case 'GetSize':
+			// store responce to cache for future use
+			$object.PopupSizes[ $params[1] ] = $responce;
+			break;
+	}
+	
+	$object.ResponceFunction($responce);
+	$object.ResponceFunction = null; // reset responce function
+}
+
+AjaxPopupManager.prototype.errorCallback = function($request, $params, $object) {
+	alert('AJAX Error; class: AjaxPopupManager; ' + Request.getErrorHtml($request));
 }
\ No newline at end of file