 	import mx.controls.Alert;
 	import mx.controls.ToolTip;
 	import mx.core.IFlexDisplayObject;
-	import mx.core.UIComponent;
 	import mx.events.CloseEvent;
 	import mx.managers.PopUpManager;
 	

			tip.mouseChildren = false;
			tip.text = text;
			tip.validateNow();
			show();
			
			// Periodically bring tooltip to front so user sees it.
			// This is required in case the user clicks on another popup that obscures the tooltip.

			timer.addEventListener(TimerEvent.TIMER, show);
			timer.addEventListener(TimerEvent.TIMER_COMPLETE, hide);
			timer.start();
			
			show();
			
			function show(_:* = null):void
			{
