Index: branches/RC/core/units/general/helpers/sections_helper.php
===================================================================
diff -u -r8929 -r9046
--- branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 8929)
+++ branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 9046)
@@ -160,6 +160,57 @@
 			}
 			return $ret;
 		}
+
+		/**
+		 * Returns first child, that is not a folder
+		 *
+		 * @param string $section_name
+		 * @param Array $tree
+		 * @return stirng
+		 */
+		function getFirstChild($section_name, $check_permission = false)
+		{
+			$section_data =& $this->getSectionData($section_name);
+
+			$children = isset($section_data['children']) && $section_data['children'] ? $section_data['children'] : false;
+			if ($children) {
+				// get 1st child
+				ksort($children, SORT_NUMERIC);
+				foreach ($children as $child_priority => $child_section) {
+					$section_data =& $this->getSectionData($child_section);
+
+					$perm_section = $this->getPermSection($child_section);
+					$perm_status = $check_permission ? $this->Application->CheckPermission($perm_section.'.view') : true;
+					if ((isset($section_data['show_mode']) && $section_data['show_mode']) || !$perm_status) {
+						continue;
+					}
+
+					break;
+				}
+
+				return $this->getFirstChild($child_section, $check_permission);
+			}
+
+			return $section_name;
+		}
+
+		/**
+		 * Returns section for permission checking based on given section
+		 *
+		 * @param string $section_name
+		 * @return string
+		 */
+		function getPermSection($section_name)
+		{
+			$ret = $section_name;
+			$section_data =& $this->getSectionData($section_name);
+
+			if ($section_data && isset($section_data['perm_prefix'])) {
+				// this section uses other section permissions
+				$ret = $this->Application->getUnitOption($section_data['perm_prefix'].'.main', 'PermSection');
+			}
+			return $ret;
+		}
 	}
 
 ?>
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