diff --git a/web/js/functions.js b/web/js/functions.js
index 4cc8fe7..4e4b110 100644
--- a/web/js/functions.js
+++ b/web/js/functions.js
@@ -1,4 +1,5 @@
 function set_cookie(cname, cvalue, exdays) {
+    cvalue = encodeURI(cvalue)
     var d = new Date();
     d.setTime(d.getTime() + (exdays*24*60*60*1000));
     var expires = "expires="+ d.toUTCString();