$(document).ready(function() {
    $(".banner").click(function(){
        var attr = $(this).attr("href");
        var attr_arr = attr.split('-');

        $.ajax({
            type: "POST",
            url: "ajax/ajax.php",
            cache: false,
            data: "action=bclick&type="+attr_arr[0] +'&id='+attr_arr[1],
            success: function(url){
                window.open(url);

            }
        });
        return false;
    });
  });