function lookup(inputString) {
    var jezyk = "";
    if(inputString.length < 3) {
        $('#suggestions').fadeOut(); // Hide the suggestions box
    } else {
        var url = document.location.pathname;
        if ((url.substring(url.length-3))=='/en') url = document.location.pathname+'/';

        if (url.indexOf("/en/")>0){
            jezyk='en';
        }
        else {
            jezyk='pl';
        }

        $.post(subdir+"/remas/search/", {
            querystring: ""+inputString+"",
            lng:jezyk
        }, function(data) { // Do an AJAX call
            $('#suggestions').fadeIn(); // Show the suggestions box
            $('#suggestions').html(data); // Fill the suggestions box
        });
    }
}