From 97816c40e3ceb7cb60dfee950fadf982fef6a050 Mon Sep 17 00:00:00 2001
From: ruanyf <yifeng.ruan@gmail.com>
Date: Tue, 29 Apr 2014 22:48:31 +0800
Subject: [PATCH] edit js/ditto

---
 js/ditto.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/js/ditto.js b/js/ditto.js
index 9e6bd08..3866bb7 100644
--- a/js/ditto.js
+++ b/js/ditto.js
@@ -234,10 +234,14 @@ function router() {
 
 		if(location.hash==='' || location.hash===menu[0]){
 			$('#pageup').css('display','none');
+		}else{
+			$('#pageup').css('display','inline-block');
 		}
 
 		if (location.hash===menu[(menu.length-1)]){
 			$('#pagedown').css('display','none');
+		}else{
+			$('#pagedown').css('display','inline-block');
 		}
 
 		$('#pageup').on('click',function (){