From 10be57aec4991bd17ece1b05a1a7a6c9656c1f81 Mon Sep 17 00:00:00 2001
From: JC Brand <jc@opkode.com>
Date: Thu, 28 Feb 2013 20:42:08 +0200
Subject: [PATCH] Add strinclude function

---
 converse.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/converse.js b/converse.js
index 9702fb6ff..c570c5b5b 100644
--- a/converse.js
+++ b/converse.js
@@ -76,6 +76,12 @@
     var xmppchat = {};
     xmppchat.msg_counter = 0;
 
+    var strinclude = function(str, needle){
+      if (needle === '') { return true; }
+      if (str === null) { return false; }
+      return String(str).indexOf(needle) !== -1;
+    };
+
     xmppchat.toISOString = function (date) {
         if (typeof date.toISOString !== 'undefined') {
             return date.toISOString();