horse/resource/eui_skins/ProgressBarSkin.exml

<?xml version="1.0" encoding="utf-8"?>
<e:Skin class="skins.ProgressBarSkin" minWidth="30" minHeight="18" xmlns:e="http://ns.egret.com/eui">
	<e:Image source="track_pb_png" scale9Grid="1,1,4,4" width="100%"
			 height="100%" verticalCenter="0"/>
	<e:Image id="thumb" height="100%" width="100%" source="thumb_pb_png"/>
	<e:Label id="labelDisplay" textAlign="center" verticalAlign="middle"
			 size="15" fontFamily="Tahoma" textColor="0x707070"
			 horizontalCenter="0" verticalCenter="0"/>
</e:Skin>