1 files changed, 18 insertions, 4 deletions
diff --git a/www/js/calendar.js b/www/js/calendar.js
index 8bdf033..c6b4f61 100644
--- a/www/js/calendar.js
+++ b/www/js/calendar.js
@@ -21,6 +21,8 @@
 
 'use strict';
 
+var current_week_offset = -4;
+
 function getLastMonday() {
   var d = new Date();
   d.setHours(0, 0, 0, 0);
@@ -55,13 +57,13 @@ function addWeekClass(row, week) {
   }
 }
 
-function calendar_redraw() {
+function calendar_redraw(weekstart) {
   var cal = $('#calendar');
   cal.find("tr:gt(0)").remove();
 
   var date = getLastMonday();
-  date = addDeltaDays(date, -28);
-  for(var w = 0; w < 42; w++) {
+  date = addDeltaDays(date, weekstart * 7);
+  for(var w = 0; w < 20; w++) {
     var week = get_rd_week(date.valueOf());
     var row = $('<tr>');
     addWeekClass(row, week);
@@ -82,5 +84,17 @@ function calendar_redraw() {
 }
 
 function calendar_init() {
-  calendar_redraw()
+  $('#btn-earlier').click(calendar_prev);
+  $('#btn-later').click(calendar_next);
+  calendar_redraw(current_week_offset)
+}
+
+function calendar_prev() {
+  current_week_offset--;
+  calendar_redraw(current_week_offset)
+}
+
+function calendar_next() {
+  current_week_offset++;
+  calendar_redraw(current_week_offset)
 }