Index: drupal/sites/all/modules/scheduler/scheduler.module
===================================================================
--- drupal/sites/all/modules/scheduler/scheduler.module (revision 54)
+++ drupal/sites/all/modules/scheduler/scheduler.module (revision 55)
@@ -153,4 +153,13 @@
 }
 
+if (!function_exists('stripos')) {
+
+	function stripos($haystack, $needle){
+		    return strpos($haystack, stristr( $haystack, $needle ));
+    	}
+
+}
+
+
 function _scheduler_get_jscalendar_time_format() {
   $date_format = variable_get('scheduler_date_format', SCHEDULER_DATE_FORMAT);