Index: branches/RC/core/units/categories/categories_event_handler.php
===================================================================
diff -u -N -r11586 -r11610
--- branches/RC/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 11586)
+++ branches/RC/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 11610)
@@ -162,10 +162,8 @@
 		$object =& $event->getObject();
 		/* @var $object kDBList */
 
-		/*if (!$this->Application->IsAdmin()) {
-			// don't show categories visible in menu as sub-categories
-			$object->addFilter('system_categories', '%1$s.IsMenu = 0');
-		}*/
+		// don't show "Content" category in advanced view
+		$object->addFilter('system_categories', '%1$s.Status <> 4');
 
 		// show system templates from current theme only + all virtual templates
 		$object->addFilter('theme_filter', '%1$s.ThemeId = ' . $this->_getCurrentThemeId() . ' OR %1$s.ThemeId = 0');
@@ -407,7 +405,7 @@
 		$themes_helper =& $this->Application->recallObject('ThemesHelper');
 		/* @var $themes_helper kThemesHelper */
 
-		return $themes_helper->getCurrentThemeId();
+		return (int)$themes_helper->getCurrentThemeId();
 	}
 
 	/**
@@ -1350,7 +1348,7 @@
 			$theme_id = $this->_getCurrentThemeId();
 		}
 
-		$root_category = $this->Application->findModule('Name', 'Proj-CMS', 'RootCat');
+		$root_category = $this->Application->findModule('Name', 'Core', 'RootCat');
 		$page_category = $this->Application->GetVar('m_cat_id');
 		if (!$page_category) {
 			$page_category = $root_category;
@@ -1607,7 +1605,7 @@
 			return ;
 		}
 
-		$root_category = $this->Application->findModule('Name', 'Proj-CMS', 'RootCat');
+		$root_category = $this->Application->findModule('Name', 'Core', 'RootCat');
 
 		// set root category
 		$section_ajustments = $this->Application->getUnitOption($event->Prefix, 'SectionAdjustments');