diff --git a/main/admin/course_category.php b/main/admin/course_category.php
index dc1bec913b..ad8de7447e 100644
--- a/main/admin/course_category.php
+++ b/main/admin/course_category.php
@@ -25,13 +25,22 @@ $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
 $tbl_category = Database::get_main_table(TABLE_MAIN_CATEGORY);
 
 $errorMsg = '';
-
+$delError = 0;
 if (!empty($action)) {
     if ($action == 'delete') {
-        deleteNode($_GET['id']);
-
-        header('Location: ' . api_get_self() . '?category=' . Security::remove_XSS($category));
-        exit();
+        if (api_get_multiple_access_url()) {
+            if (api_get_current_access_url_id() != 1) {
+                deleteNode($_GET['id']);
+                header('Location: ' . api_get_self() . '?category=' . Security::remove_XSS($category));
+                exit();
+            } else {
+                $delError = 1;
+            }
+        } else {
+            deleteNode($_GET['id']);
+            header('Location: ' . api_get_self() . '?category=' . Security::remove_XSS($category));
+            exit();
+        }
     } elseif (($action == 'add' || $action == 'edit') && $_POST['formSent']) {
         $_POST['categoryCode'] = trim($_POST['categoryCode']);
         $_POST['categoryName'] = trim($_POST['categoryName']);
@@ -92,103 +101,107 @@ if (empty($action)) {
 }
 
 if ($action == 'add' || $action == 'edit') {
-    ?>
-    <div class="actions">
-        <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>"><?php echo Display::return_icon('folder_up.png', get_lang("Back"), '', ICON_SIZE_MEDIUM);
-    if (!empty($category)) echo ' (' . Security::remove_XSS($category) . ')'; ?></a>
-    </div>
-    <?php
-    $form_title = ($action == 'add') ? get_lang('AddACategory') : get_lang('EditNode');
-    if (!empty($category)) {
-        $form_title .= ' ' . get_lang('Into') . ' ' . Security::remove_XSS($category);
-    }
-    $form = new FormValidator('course_category');
-    $form->addElement('header', '', $form_title);
-    $form->display();
-    ?>
-    <form method="post" action="<?php echo api_get_self(); ?>?action=<?php echo Security::remove_XSS($action); ?>&category=<?php echo Security::remove_XSS($category); ?>&amp;id=<?php echo Security::remove_XSS($_GET['id']); ?>">
-        <input type="hidden" name="formSent" value="1" />
-        <table border="0" cellpadding="5" cellspacing="0">
-    <?php
-    if (!empty($errorMsg)) {
-        ?>
-                <tr>
-                    <td colspan="2">
-
-        <?php
-        Display::display_normal_message($errorMsg); //main API
-        ?>
-
-                    </td>
-                </tr>
-
-        <?php
-    }
-    ?>
-
-            <tr>
-                <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
-                <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo api_htmlentities(stripslashes($categoryCode), ENT_QUOTES, $charset); ?>" /></td>
-            </tr>
-            <tr>
-                <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
-                <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo api_htmlentities(stripslashes($categoryName), ENT_QUOTES, $charset); ?>" /></td>
-            </tr>
-            <tr>
-                <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
-                <td>
-                    <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if (($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
-                    <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if (($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
-                </td>
-            </tr>
-            <tr>
-                <td>&nbsp;</td>
-    <?php
-    if (isset($_GET['id']) && !empty($_GET['id'])) {
-        $class = "save";
-        $text = get_lang('CategoryMod');
-    } else {
-        $class = "add";
-        $text = get_lang('AddCategory');
-    }
-    ?>
-                <td><button type="submit" class="<?php echo $class; ?>" value="<?php echo $text; ?>" ><?php echo $text; ?></button></td>
-            </tr>
-        </table>
-    </form>
-
+    if ((api_get_multiple_access_url() && api_get_current_access_url_id() != 1) || !api_get_multiple_access_url() ) {
+        
+?>          <div class="actions">
+                <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>"><?php echo Display::return_icon('folder_up.png', get_lang("Back"), '', ICON_SIZE_MEDIUM);
+            if (!empty($category)) echo ' (' . Security::remove_XSS($category) . ')'; ?></a>
+            </div>
+            <?php
+            $form_title = ($action == 'add') ? get_lang('AddACategory') : get_lang('EditNode');
+            if (!empty($category)) {
+                $form_title .= ' ' . get_lang('Into') . ' ' . Security::remove_XSS($category);
+            }
+            $form = new FormValidator('course_category');
+            $form->addElement('header', '', $form_title);
+            $form->display();
+            ?>
+            <form method="post" action="<?php echo api_get_self(); ?>?action=<?php echo Security::remove_XSS($action); ?>&category=<?php echo Security::remove_XSS($category); ?>&amp;id=<?php echo Security::remove_XSS($_GET['id']); ?>">
+                <input type="hidden" name="formSent" value="1" />
+                <table border="0" cellpadding="5" cellspacing="0">
+            <?php
+            if (!empty($errorMsg)) {
+                ?>
+                        <tr>
+                            <td colspan="2">
+        
                 <?php
+                Display::display_normal_message($errorMsg); //main API
+                ?>
+        
+                            </td>
+                        </tr>
+        
+                <?php
+            }
+            ?>
+        
+                    <tr>
+                        <td nowrap="nowrap"><?php echo get_lang("CategoryCode"); ?> :</td>
+                        <td><input type="text" name="categoryCode" size="20" maxlength="20" value="<?php echo api_htmlentities(stripslashes($categoryCode), ENT_QUOTES, $charset); ?>" /></td>
+                    </tr>
+                    <tr>
+                        <td nowrap="nowrap"><?php echo get_lang("CategoryName"); ?> :</td>
+                        <td><input type="text" name="categoryName" size="20" maxlength="100" value="<?php echo api_htmlentities(stripslashes($categoryName), ENT_QUOTES, $charset); ?>" /></td>
+                    </tr>
+                    <tr>
+                        <td nowrap="nowrap"><?php echo get_lang("AllowCoursesInCategory"); ?></td>
+                        <td>
+                            <input class="checkbox" type="radio" name="canHaveCourses" value="0" <?php if (($action == 'edit' && !$canHaveCourses) || ($action == 'add' && $formSent && !$canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("No"); ?>
+                            <input class="checkbox" type="radio" name="canHaveCourses" value="1" <?php if (($action == 'edit' && $canHaveCourses) || ($action == 'add' && !$formSent || $canHaveCourses)) echo 'checked="checked"'; ?> /><?php echo get_lang("Yes"); ?>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td>&nbsp;</td>
+            <?php
+            if (isset($_GET['id']) && !empty($_GET['id'])) {
+                $class = "save";
+                $text = get_lang('CategoryMod');
             } else {
+                $class = "add";
+                $text = get_lang('AddCategory');
+            }
+            ?>
+                        <td><button type="submit" class="<?php echo $class; ?>" value="<?php echo $text; ?>" ><?php echo $text; ?></button></td>
+                    </tr>
+                </table>
+            </form>
+
+<?php  } elseif (api_get_multiple_access_url() && api_get_current_access_url_id() == 1) {
+           Display :: display_error_message(get_lang('CourseCategoriesAreGlobal'));
+       }
+    
+} else {
+    if ($delError == 0) {           ?>
+        <div class="actions">
+            <?php
+            if (!empty($category) && empty($action)) {
+                $myquery = "SELECT parent_id FROM $tbl_category WHERE code='$category'";
+                $result = Database::query($myquery);
+                $parent_id = 0;
+                if (Database::num_rows($result) > 0) {
+                    $parent_id = Database::fetch_array($result);
+                }
+    
+                $parent_id['parent_id'] ? $link = ' (' . $parent_id['parent_id'] . ')' : $link = '';
                 ?>
-    <div class="actions">
+    
+                <a href="<?php echo api_get_self(); ?>?category=<?php echo $parent_id['parent_id']; ?>"><?php echo Display::return_icon('folder_up.png', get_lang("Back"), '', ICON_SIZE_MEDIUM);
+            if (!empty($parent_id)) echo $link ?></a>
+    
                 <?php
-                if (!empty($category) && empty($action)) {
-                    $myquery = "SELECT parent_id FROM $tbl_category WHERE code='$category'";
-                    $result = Database::query($myquery);
-                    $parent_id = 0;
-                    if (Database::num_rows($result) > 0) {
-                        $parent_id = Database::fetch_array($result);
-                    }
-
-                    $parent_id['parent_id'] ? $link = ' (' . $parent_id['parent_id'] . ')' : $link = '';
-                    ?>
-
-            <a href="<?php echo api_get_self(); ?>?category=<?php echo $parent_id['parent_id']; ?>"><?php echo Display::return_icon('folder_up.png', get_lang("Back"), '', ICON_SIZE_MEDIUM);
-        if (!empty($parent_id)) echo $link ?></a>
-
+            }
+            ?>
             <?php
-        }
-        ?>
-        <?php
-        if (!empty($category)) {
-            $CategoryInto = ' ' . get_lang('Into') . ' ' . Security::remove_XSS($category);
-        } else {
-            $CategoryInto = '';
-        }
-        ?>
-        <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=add"><?php echo Display::return_icon('new_folder.png', get_lang("AddACategory") . $CategoryInto, '', ICON_SIZE_MEDIUM); ?></a>
-    </div>
-    <ul>
+            if (!empty($category)) {
+                $CategoryInto = ' ' . get_lang('Into') . ' ' . Security::remove_XSS($category);
+            } else {
+                $CategoryInto = '';
+            }
+            ?>
+            <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=add"><?php echo Display::return_icon('new_folder.png', get_lang("AddACategory") . $CategoryInto, '', ICON_SIZE_MEDIUM); ?></a>
+        </div>
+        <ul>
 
         <?php
         if (count($Categories) > 0) {
@@ -197,7 +210,7 @@ if ($action == 'add' || $action == 'edit') {
                 <li>
                     <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('folder_document.gif', get_lang('OpenNode')); ?></a>
                     <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=edit&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>"><?php Display::display_icon('edit.gif', get_lang('EditNode')); ?></a>
-                    <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=delete&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>" onclick="javascript:if (!confirm('<?php echo addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)); ?>'))
+                    <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=delete&amp;id=<?php echo Security::remove_XSS($enreg['code']);?>" onclick="javascript:if (!confirm('<?php echo addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)); ?>'))
                                 return false;"><?php Display::display_icon('delete.gif', get_lang('DeleteNode')); ?></a>
                     <a href="<?php echo api_get_self(); ?>?category=<?php echo Security::remove_XSS($category); ?>&amp;action=moveUp&amp;id=<?php echo Security::remove_XSS($enreg['code']); ?>&amp;tree_pos=<?php echo $enreg['tree_pos']; ?>"><?php Display::display_icon('up.gif', get_lang('UpInSameLevel')); ?></a>
                 <?php echo $enreg['name']; ?>
@@ -206,10 +219,14 @@ if ($action == 'add' || $action == 'edit') {
             <?php
         }
         unset($Categories);
+        } else {
+            echo get_lang("NoCategories");
+        }
+    
     } else {
-        echo get_lang("NoCategories");
-    }
-    ?>
+        Display :: display_error_message(get_lang('CourseCategoriesAreGlobal'));
+        
+    }?>
     </ul>