<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
	<item android:state_focused="false" android:state_pressed="false"
		android:drawable="@drawable/szf_sure_up" />
	<item android:state_focused="false" android:state_pressed="true"
		android:drawable="@drawable/szf_sure_down" />
</selector>  