컴포넌트에 툴팁(ToolTip) 표시

			/**
			 * component	표시할 컴포넌트
			 * message		툴팁 메시지
			 * position		툴팁 위치 default: right ect:top,bottom
			 * 해당 컴포넌트에 툴팁을 표시한다.
			 */
			private function showToolTip(component:UIComponent, message:String, position:String="right") : void {
				
				var toolTip : * = ToolTipManager.createToolTip("" , 0,0);
				toolTip.setStyle("fontSize", 12);
				toolTip.setStyle("styleName", "errorTip");
				toolTip.text = message;
				
				var objPoint : Point;
				if( position == "right" ){
					toolTip.setStyle("borderStyle", "errorTipRight");
					objPoint = component.localToGlobal(new Point(component.stage.x+component.width, component.stage.y));
				}else if( position == "top" ){
					toolTip.setStyle("borderStyle", "errorTipAbove");
					objPoint = component.localToGlobal(new Point(component.stage.x, component.stage.y - component.height*2));
				}else if( position == "bottom" ){
					toolTip.setStyle("borderStyle", "errorTipBelow");
					objPoint = component.localToGlobal(new Point(component.stage.x, component.stage.y + component.height));
				}

				var objTMetrix:TextLineMetrics	=component.measureText(message);
				
				toolTip.move(objPoint.x, objPoint.y);
				toolTip.setActualSize(objTMetrix.width+40, objTMetrix.height);
				toolTip.setVisible(true);
				
				component.addEventListener(Event.CHANGE, function(event:Event){
					if( toolTip ){
						ToolTipManager.destroyToolTip(toolTip);
						toolTip = null;
					}
				});
			}