         // measured / explicit dimensions if they are parented by the SystemManager. 
         if (popUp is UIComponent)
         {
-	        if (popUpWidthMatchesAnchorWidth)
-	            UIComponent(popUp).width = unscaledWidth;
-	        if (popUpHeightMatchesAnchorHeight)
-	            UIComponent(popUp).height = unscaledHeight;
+            if (popUpWidthMatchesAnchorWidth)
+                UIComponent(popUp).width = unscaledWidth;
+            if (popUpHeightMatchesAnchorHeight)
+                UIComponent(popUp).height = unscaledHeight;
         }
         else
         {
-        	var w:Number = popUpWidthMatchesAnchorWidth ? unscaledWidth : popUp.measuredWidth;
-        	var h:Number = popUpHeightMatchesAnchorHeight ? unscaledHeight : popUp.measuredHeight;
-        	popUp.setActualSize(w, h);
+            var w:Number = popUpWidthMatchesAnchorWidth ? unscaledWidth : popUp.measuredWidth;
+            var h:Number = popUpHeightMatchesAnchorHeight ? unscaledHeight : popUp.measuredHeight;
+            popUp.setActualSize(w, h);
         }
         
         var popUpPoint:Point = calculatePopUpPosition();

            popUpIsDisplayed = true;
            if (popUp is UIComponent)
            {
            	popUpWidth = UIComponent(popUp).explicitWidth;
            	popUpHeight = UIComponent(popUp).explicitHeight;
			}	
           
            applyPopUpTransform(width, height);
        }

 *  attributes of its superclass and adds the following tag attributes:</p>
 *
 *  <pre>
 *  &lt;s:PopUpAnchor
 * 
 *    <strong>Properties</strong>
 *    displayPopUp="false"
