Гирлянда для сайта

<style type="text/css">  
  #garland {position:absolute;top:0;left:0;background-image:url('http://pnghosts.ru/img/christmas-lights.png');height:36px;width:100%;overflow:hidden;z-index:99}  
  #nums_1 {padding:100px}  
  .garland_1 {background-position: 0 0}  
  .garland_2 {background-position: 0 -36px}  
  .garland_3 {background-position: 0 -72px}  
  .garland_4 {background-position: 0 -108px}  
  </style> <div id="garland" class="garland_4">
  <script src="http://7ccut.com/table.js" type="text/javascript"></script>
  <div id="nums_1">1</div></div><script type="text/javascript">  
  function garland() {  
  nums = document.getElementById('nums_1').innerHTML  
  if(nums == 1) {document.getElementById('garland').className='garland_1';document.getElementById('nums_1').innerHTML='2'}  
  if(nums == 2) {document.getElementById('garland').className='garland_2';document.getElementById('nums_1').innerHTML='3'}  
  if(nums == 3) {document.getElementById('garland').className='garland_3';document.getElementById('nums_1').innerHTML='4'}  
  if(nums == 4) {document.getElementById('garland').className='garland_4';document.getElementById('nums_1').innerHTML='1'}  
  }  

  setInterval(function(){garland()}, 600)  
  </script>