added date controller

1 files changed, 10 insertions, 0 deletions

diff --git a/www/js/utils.js b/www/js/utils.js
index ad64c17..ae2ad0a 100644
--- a/www/js/utils.js
+++ b/www/js/utils.js
@@ -54,6 +54,16 @@ monthname[11] = 'Dezember';
 
 var monthname_short = new Array('Jan', 'Feb', 'Mär', 'Apr', 'Mai', 'Jun', 'Jul', 'Aug', 'Sep', 'Okt', 'Nov', 'Dez');
 
+function format_date_iso(d) {
+  if(Object.prototype.toString.call(d) !== '[object Date]') {
+    return '-';
+  }
+  if (d.toString() === 'Invalid Date') {
+    return '-';
+  }
+  return d.getFullYear() + '-' + Number(d.getMonth() + 1).pad(2) + '-' + Number(d.getDate()).pad(2);
+}
+
 function format_date(d) {
   if(Object.prototype.toString.call(d) !== '[object Date]') {
     return '-';