diff --git a/ext-lib/jquery.scrollstop.js b/ext-lib/jquery.scrollstop.js
new file mode 100755
index 0000000..4884869
--- /dev/null
+++ b/ext-lib/jquery.scrollstop.js
@@ -0,0 +1,58 @@
+(function($) {
+  var special = $.event.special,
+      uid1 = 'D' + (+new Date()),
+      uid2 = 'D' + (+new Date() + 1);
+
+  special.scrollstart = {
+    setup: function() {
+      var timer,
+          handler = function(evt) {
+              var _self = this,
+                  _args = arguments;
+
+              if (timer) {
+                clearTimeout(timer);
+              } else {
+                evt.type = 'scrollstart';
+                $.event.handle.apply(_self, _args);
+              }
+
+              timer = setTimeout(function() {
+                timer = null;
+              }, special.scrollstop.latency);
+          };
+
+        $(this).bind('scroll', handler).data(uid1, handler);
+      },
+      teardown: function() {
+        $(this).unbind('scroll', $(this).data(uid1));
+      }
+    };
+
+    special.scrollstop = {
+      latency: 250,
+      setup: function() {
+        var timer,
+            handler = function(evt) {
+              var _self = this,
+                  _args = arguments;
+
+              if (timer) {
+                clearTimeout(timer);
+              }
+
+              timer = setTimeout(function() {
+                timer = null;
+                evt.type = 'scrollstop';
+                $.event.handle.apply(_self, _args);
+              }, special.scrollstop.latency);
+            };
+
+        $(this).bind('scroll', handler).data(uid2, handler);
+      },
+      teardown: function() {
+        $(this).unbind('scroll', $(this).data(uid2));
+      }
+    };
+
+})(jQuery);
diff --git a/layout.html b/layout.html
index 46740b8..4f3fce9 100755
--- a/layout.html
+++ b/layout.html
@@ -53,6 +53,7 @@
 
 <script src="ext-lib/jquery.js"></script>
 <script src="ext-lib/jquery.scrollto.js"></script>
+<script src="ext-lib/jquery.scrollstop.js"></script>
 
 <script src="lib/jli.js"></script>
 
@@ -115,13 +116,16 @@ $(document).ready(function(){
 	var v = $('.viewer')
 	var TIMEOUT = 200
 	window.touching = false
-	window.scrolling = false
 	window.t = null
 
-	setInterval(function(){log('---')}, 1000)
-	setInterval(function(){clear_log()}, 100000)
 
 	$('.viewer')
+		.on('scrollstop', function(evt){
+			log('scrollstop...')
+			setCurrentPage()
+		})
+
+		/*
 		.on('scroll', function(evt){
 			if(t != null){
 				clearTimeout(t)
@@ -147,6 +151,7 @@ $(document).ready(function(){
 			//		.ScrollTo does notwork...
 			setCurrentPage()
 		})
+		*/