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 (){