Плавающая кнопка сбоку для сайта uCoz

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">

<div class="menu_br">  
  <div class="menu_drop">  
  <a href="http://zornet.ru/load/0-0-0-0-1"><div class="menu_btn">  
  <span class="menu_label">Добавить материал на zornet.ru</span>  
  <i class="absolute-center fa fa-pencil"></i>  
  </div></a>  
  </div>  
  </div>

<script type="text/javascript">  
  $(function(){  
   
  var _top = $(window).scrollTop(),  
  _direction,  
  $menu_drop = $('.menu_drop');  
   
  $(window).scroll(function(){  
  var _cur_top = $(window).scrollTop();  
   
  if(_top < _cur_top) {  
  _direction = 'down';  
  $menu_drop.stop().addClass('hide_top');  
  }  
  else {  
  _direction = 'up';  
  $menu_drop.removeClass('hide_top');  
  }  
   
  _top = _cur_top;  
  console.log(_direction);  
  });  
  });  
   
  </script>

.absolute-center {position: absolute;top: 0;left: 0;bottom: 0;right: 0;margin: auto;width: 20px;height: 20px;text-align: center; font-size: 18px!important; color: #fff;}  
  .menu_br {position: fixed;bottom: 0px;right: -15px;}  
  .menu_drop {position: absolute;bottom: 15px;right: 30px;-webkit-transition:-webkit-transform 0.7s .3s ease;-moz-transition: -moz-transform 0.7s .3s ease;-ms-transition: -ms-transform 0.7s .3s ease;transition: transform 0.7s .3s ease;-webkit-backface-visibility: hidden;-webkit-transform: translate3d(0px, 0px, 0px);}  
  .menu_br, .hide_top{-webkit-transform: translate(0, 200%);-moz-transform: translate(0, 200%);-ms-transform: translate(0, 200%);transform: translate(0, 200%);-webkit-backface-visibility: hidden;}  
  .menu_btn {position: relative;width: 45px;height: 45px;float: right;cursor: pointer;background-color: #3080e8;border-radius: 50%;box-shadow: 0 4px 8px rgba(0,0,0,.25);}  
  .menu_btn:hover .menu_label {opacity: 1;}  
  .menu_label {position: absolute;top: 14px;right: 115%;padding: 4px 8px;font-size: 14px;color: #fff;background-color:rgba(48, 128, 232, 0.7);border-radius:50px;opacity: 0;pointer-events: none;white-space: nowrap;transition: opacity .2s ease-out;}