Better Trial Balance Inquiry and minor bug in date_functions.inc

[fa-stable.git] / includes / date_functions.inc

diff --git a/includes/date_functions.inc b/includes/date_functions.inc
index e4b2c76f0f5644e895c52cd018fa3c3bc2feff02..94525a3307fcc3195c3d1e37d72a6c285636f758 100644 (file)
--- a/includes/date_functions.inc
+++ b/includes/date_functions.inc
@@ -266,13 +266,14 @@ function add_months($date, $months) // accepts negative values as well
 {
        global $date_system;
     list($day, $month, $year) = explode_date_to_dmy($date);
-
        $months += $year*12+$month;
        $month = ($months-1)%12+1;
        $year = ($months-$month)/12;
+       if ($month < 0)
+               $month += 12;
 
        $timet = mktime(0,0,0, $month, min($day, days_in_month($month, $year)), $year);
-       
+
     if ($date_system == 1 || $date_system == 2)
     {
        if ($date_system == 1)