Index: branches/RC/core/admin_templates/js/tree.js
===================================================================
diff -u -N -r11835 -r11932
--- branches/RC/core/admin_templates/js/tree.js	(.../tree.js)	(revision 11835)
+++ branches/RC/core/admin_templates/js/tree.js	(.../tree.js)	(revision 11932)
@@ -504,7 +504,7 @@
 
 TreeFolder.prototype.removeChildren = function()
 {
-	for (var i in this.Children) {
+	for (var i=0; i<this.Children.length; i++) {
 		this.Children[i].remove();
 	}
 	this.Children = new Array();
@@ -596,7 +596,7 @@
 
 function TreeManager() {}
 
-TreeManager.ExpandStatus = new Array ();
+TreeManager.ExpandStatus = {};
 
 TreeManager.markStatus = function(id, status)
 {