//Remember to use Jquery
 
/*
Other options for the popup
window.open('http://www.someurl.com','nameofpopup','height=500,width=400,left=100,top=100,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no, status=yes');
*/
 
$(function () 
{
  $('.voucherpopup').click(function (event)