diff -r 18cb05f027a0 -r 954019f62866 web/res/js/live-polemic.js
--- a/web/res/js/live-polemic.js	Wed Nov 13 17:55:34 2013 +0100
+++ b/web/res/js/live-polemic.js	Sun Nov 24 03:13:33 2013 +0100
@@ -1085,7 +1085,7 @@
     $("#timeline").mousewheel(function(e, d) {
         twCx.wheelDelta += d;
         if (Math.abs(twCx.wheelDelta) >= 1) {
-            if (twCx.wheelDelta > 0) {
+            if (twCx.wheelDelta > 0) {
                 tl = Math.min(twCx.date_levels.length - 1, twCx.timeLevel + 1);
             } else {
                 tl = Math.max(0, twCx.timeLevel - 1);