 import flash.geom.Point;
 
 import mx.controls.HScrollBar;
-import mx.controls.ToolTip;
+import mx.core.IToolTip;
 import mx.controls.VScrollBar;
 import mx.controls.scrollClasses.ScrollBar;
 import mx.events.ScrollEvent;

            {
                if (scrollTip)
                {
			       	systemManager.topLevelSystemManager.removeChildFromSandboxRoot("toolTipChildren", scrollTip as DisplayObject);
                    scrollTip = null;
                    ToolTipManager.enabled = oldTTMEnabled;
                }


                if (!scrollTip)
                {
                    scrollTip = ToolTipManager.createToolTip("", 0, 0, null, this);
                    scrollThumbMidPoint = scrollBar.scrollThumb.height / 2;
                    oldTTMEnabled = ToolTipManager.enabled;
                    ToolTipManager.enabled = false;
