Use $modname if it's defined

course/lib.php

@@ -141,7 +141,7 @@ function print_recent_selector_form($course, $selecteduser=0, $selecteddate="tod
 }
 
 function print_log_selector_form($course, $selecteduser=0, $selecteddate="today",
-                                 $mod="", $modid=0, $modaction="") {
+                                 $modname="", $modid=0, $modaction="") {
 
     global $USER, $CFG;
 
@@ -278,7 +278,7 @@ function make_log_url($module, $url) {
 
 
 function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100, 
-                   $url="", $mod="", $modid=0, $modaction="") {
+                   $url="", $modname="", $modid=0, $modaction="") {
 
 // It is assumed that $date is the GMT time of midnight for that day, 
 // and so the next 86400 seconds worth of logs are printed.
@@ -297,8 +297,8 @@ function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $per
         }
     }
 
-    if ($mod) {
-        $selector .= " AND l.module = '$mod'";
+    if ($modname) {
+        $selector .= " AND l.module = '$modname'";
     }
 
     if ($modid) {

course/log.php

@@ -7,6 +7,7 @@
     require_variable($id);    // Course ID
     optional_variable($user, 0); // User to display
     optional_variable($date, 0); // Date to display
+    optional_variable($modname, ""); // course_module->id
     optional_variable($modid, ""); // course_module->id
     optional_variable($modaction, ""); // an action as recorded in the logs
     optional_variable($page, "0");     // which page to show
@@ -58,11 +59,11 @@
         
         print_heading("$course->fullname: $userinfo, $dateinfo (".usertimezone().")");
 
-        print_log_selector_form($course, $user, $date, "", $modid, $modaction);
+        print_log_selector_form($course, $user, $date, $modname, $modid, $modaction);
 
         print_log($course, $user, $date, "l.time DESC", $page, $perpage, 
                   "log.php?id=$course->id&chooselog=1&user=$user&date=$date&modid=$modid&modaction=$modaction", 
-                  "", $modid, $modaction);
+                  $modname, $modid, $modaction);
 
     } else {
         if ($course->category) {