function check_new_chats_icon(id_icon) {
  if (new_chat) {
    $("#" + id_icon).pulsate();
  }
}

function check_new_chats_icon_ajax(id_icon) {
  var exit = false;

  url_chunks = location.href.split("&");
  $.each(url_chunks, function(key, chunk) {
    if (chunk == "sec2=operation/users/webchat") exit = true;
    return;
  });

  if (exit) {
    return;
  }

  old = global_counter_chat;
  get_last_global_counter();

  if (old < global_counter_chat) {
    $("#" + id_icon).pulsate();
  }

  setTimeout('check_new_chats_icon("' + id_icon + '")', 5000);
}

function get_last_global_counter() {
  var parameters = {};
  parameters["page"] = "operation/users/webchat";
  parameters["get_last_global_counter"] = 1;

  $.ajax({
    type: "POST",
    url: "ajax.php",
    data: parameters,
    dataType: "json",
    async: false,
    success: function(data) {
      if (data["correct"] == 1) {
        global_counter_chat = data["global_counter"];
      }
    }
  });
}