old_switchToLang = MP.switchToLang;
MP.switchToLang = function(url) {
    var _split = url.split('/');
    var lang = 'ENG';
    if (_split[2].match(/^fr(qa)?/)) lang = 'FRE';
    MP.setCookie('ONLINE_VIEW', lang, '/', '.capitalone.ca');
    
    old_switchToLang(url); // call old method
}