This contribution allows easly show two currencies on any page - the store default currency (LTL) and the alternate currency(EUR) (in brackets) , also on invoices and emails.
Lithuania binding prices in two currencies - the euro and litas - order period will start on August 22, 2014, 30 days after the European Union published the irrevocably fixed conversion between the euro and the exchange rate.
So this contribution perfectly fits for web shops in Lithuania;
Updated 2014-08-15 v1.2 Thanks to "Gin Rug" - Added an additional condition that the dual currency display till 2015-07-01
This plugin perfectly works with Single click LTL to EUR migration (vQmod)