Index: branches/RC/core/units/general/cat_tag_processor.php
===================================================================
diff -u -r11823 -r11870
--- branches/RC/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 11823)
+++ branches/RC/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 11870)
@@ -733,6 +733,42 @@
 
 			return $this->Application->HREF($edit_template,'', $url_params);
 		}
+
+		function LanguageVisible($params)
+		{
+			$field = $this->SelectParam($params, 'name,field');
+
+			preg_match('/l([\d]+)_(.*)/', $field, $regs);
+			$params['name'] = $regs[2];
+
+			return $this->HasLanguageError($params) || $this->Application->GetVar('m_lang') == $regs[1];
+		}
+
+		function HasLanguageError($params)
+		{
+			static $languages = null;
+
+			if (!isset($languages)) {
+				$sql = 'SELECT ' . $this->Application->getUnitOption('lang', 'IDField') . '
+						FROM ' . $this->Application->getUnitOption('lang', 'TableName') . '
+						WHERE Enabled = 1';
+				$languages = $this->Conn->GetCol($sql);
+			}
+
+			$field = $this->SelectParam($params, 'name,field');
+
+			$object =& $this->getObject($params);
+			/* @var $object kDBItem */
+
+			foreach ($languages as $language_id) {
+				$check_field = 'l' . $language_id . '_' . $field;
+				if ($object->GetErrorMsg($check_field, false)) {
+					return true;
+				}
+			}
+
+			return false;
+		}
 	}
 
 ?>
\ No newline at end of file