Index: branches/1.2.x/platform/inc/script.js
===================================================================
diff -u -N -r14274 -r14993
--- branches/1.2.x/platform/inc/script.js	(.../script.js)	(revision 14274)
+++ branches/1.2.x/platform/inc/script.js	(.../script.js)	(revision 14993)
@@ -214,3 +214,16 @@
 	this._controls.push($id);
 }
 
+function in_array(needle, haystack)
+{
+	return array_search(needle, haystack) != -1;
+}
+
+function array_search(needle, haystack)
+{
+	for (var i=0; i<haystack.length; i++)
+	{
+		if (haystack[i] == needle) return i;
+	}
+	return -1;
+}