$(function() {
    $('.productTag').click(function() {
        $.ajax({
            url: 'products/assortiment/filter?title=' + $(this).text()
        }).complete(function() {
            $('div#productList').html(data);
        }).fail(function(jqXHR, textStatus) {
            alert( "Request failed: " + textStatus );
        });
    });
});