--- a/index.php	Wed Oct 24 07:52:03 2012 +0300
+++ b/index.php	Wed Oct 24 08:25:12 2012 +0300
@@ -351,6 +351,10 @@
   $currStamp = time();
   $currTime = $currStamp - mktime(0, 0, 0);
   $currDay = lukGetWeekdayFromTimestamp($currStamp);
+
+  $nextStamp = $currStamp + 30 * 60;
+  $nextTime = $nextStamp - mktime(0, 0, 0);
+  $nextDay = lukGetWeekdayFromTimestamp($nextStamp);
   
   // Create the timetable table
   $out =
@@ -380,12 +384,18 @@
         {
           $class["set"] = TRUE;
 
-          $isActive = $day == $currDay &&
+          $nextActive = $day == $nextDay && 
+                      $nextTime >= $classHourTimes[$class["start"]]["start"] &&
+                      $nextTime <  $classHourTimes[$class["start"] + $class["hours"] - 1]["end"];
+
+          $isActive = $day == $currDay && 
                       $currTime >= $classHourTimes[$class["start"]]["start"] &&
                       $currTime <  $classHourTimes[$class["start"] + $class["hours"] - 1]["end"];
 
-          $out .= "  <td rowspan=\"".$class["hours"].
-          "\" class=\"".($isActive ? "clactive " : "").($class["grouped"] ? "clgrouped" : "clnormal")."\">".
+          $out .= "  <td rowspan=\"".$class["hours"]."\" class=\"".
+          ($isActive ? "clactive " : "").
+          (!$isActive && $nextActive ? "clnext " : "").
+          ($class["grouped"] ? "clgrouped" : "clnormal")."\">".
           lukGetClassInfo($class["grouped"], $class["data"]).
           "<div class=\"nhours\"><span>".$class["hours"]."h</span></div></td>\n";
         }