Index: branches/5.0.x/core/admin_templates/js/toolbar.js
===================================================================
diff -u -N -r13246 -r13373
--- branches/5.0.x/core/admin_templates/js/toolbar.js	(.../toolbar.js)	(revision 13246)
+++ branches/5.0.x/core/admin_templates/js/toolbar.js	(.../toolbar.js)	(revision 13373)
@@ -94,6 +94,9 @@
 	this.SetOnRightClick()
 	if (this.Hidden) this.Hide();
 
+	// all buttons are disabled until page is fully loaded!
+	this.Disable();
+
 	if (!img.complete) {
 		var real_path = img_path.replace('#MODULE#', this.Module) + 'toolbar/';
 		var old_path = img_path.replace('#MODULE#', 'kernel') + 'toolbar/'+this.ToolBar.IconPrefix + this.Title+'.gif';
@@ -343,6 +346,16 @@
 			btn.Init();
 		}
 	}
+
+	var $me = this;
+
+	$(document).ready(
+		function () {
+			for (var $button_name in $me.Buttons) {
+				$me.Buttons[$button_name].Enable();
+			}
+		}
+	);
 }
 
 ToolBar.prototype.EnableButton = function(button_id) {