Review sales overview pagination (use generic intialisation in

secure_area.php)

application/language/en/sales_lang.php

@@ -109,3 +109,4 @@ $lang["sales_overview"] = "Overview";
 $lang["sales_update"] = "Edit Sale";
 $lang["sales_confirm_delete"] = "Are you sure you want to delete the selected sales?";
 $lang["sales_no_description"] = "None";
+$lang["sales_invoice_update"] = "Recount";