# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1355308196 -7200
# Node ID 0fbe77d68b9bc178644fb92b79ef050f3cadee66
# Parent  556af969a2488e09926411dac44d2aa27d33fa25
Prevent division by zero.

diff -r 556af969a248 -r 0fbe77d68b9b index.php
--- a/index.php	Thu Oct 25 01:39:46 2012 +0300
+++ b/index.php	Wed Dec 12 12:29:56 2012 +0200
@@ -409,7 +409,8 @@
     "<div>".lukMsg("viikossa", $classInfo["totalHours"])."</div>\n".
     "<table class=\"timetable\">".
     " <tr>\n  <th></th>\n";
-    $cellWidth = 100 / $classInfo["maxDays"];
+    
+    $cellWidth = $classInfo["maxDays"] > 0 ? 100 / $classInfo["maxDays"] : 15;
     if ($cellWidth > 25) $cellWidth = 25;
 
     for ($day = 0; $day < $classInfo["maxDays"]; $day++)