_USER_RATES = [0, 3, 10, 15, 25, 50, 75, 100, 125, 999999]
_USER_LEVEL = ["OKA", "LADA", "SEDAN", "VOLGA", "UAZ", "KAMAZ","BELAZ", "TUPOLEV", "BURAN", "FERRARI"]

function animateCounter() {
  var iNumber = $("#usercount").val();
  $("#usercounter").text(iNumber);
  var iRate = parseInt($("#usercount").val());
  for (i = 0; i < _USER_RATES.length; i++) {
    if (iRate == _USER_RATES[i]) {
      $("#userLevel").text(_USER_LEVEL[i]);
      $("#userLevelImg").removeClass().addClass("level_"+i);
      $("#nextLevel").text(_USER_RATES[i+1]);
  
      //animate baloons
      var w_height=$(window).height();
      $(".baloons").fadeIn()
        .animate({top:w_height}, 3000, function() {
          $(this).css({top:-223});
        });
    }
  }
}

$("#usercount").val(10); animateCounter();