Index: program/include/main.inc
===================================================================
--- program/include/main.inc	(revision 1854c4525bf1fce227a8cc0fa8aad06615df0eae)
+++ program/include/main.inc	(revision 4f9c8337420327802baf73cde7d96b991b1fd1a9)
@@ -603,5 +603,5 @@
       $zebra_class = $c%2 ? 'even' : 'odd';
 
-      $table .= sprintf('<tr id="rcmrow%d" class="contact '.$zebra_class.'">'."\n", $row_data[$id_col]);
+      $table .= sprintf('<tr id="rcmrow%s" class="contact '.$zebra_class.'">'."\n", $row_data[$id_col]);
 
       // format each col