fix sql syntax error + isAnnexeInVisible + isSectionInvisible

cosmogramme/php/classes/classe_unimarc.php

@@ -458,13 +458,15 @@ class notice_unimarc extends iso2709_record
 
 
 	protected function isSectionInvisible($id) {
+		if (0==(int)$id)
+			return false;
 		return ($enreg = fetchEnreg('select * from codif_section where id_section=' . $id))
 						 && $enreg['invisible'] == 1;
 	}
 
 
 	protected function isAnnexeInvisible($id) {
-		return ($enreg = fetchEnreg('select * from codif_annexe where = code=\'' . $id . '\''))
+		return ($enreg = fetchEnreg('select * from codif_annexe where code=\'' . $id . '\''))
 						 && $enreg['invisible'] == 1;
 	}