var nCountDown = 9;
  var oCountDown = window.setInterval('CountDown();', 1000);
 
  function CountDown()
  {
  if(nCountDown > 0)
  {
  	document.getElementById('dlbutton').value = 'Download (' + nCountDown.toString() + ((nCountDown==1)?'':'') + ')';
 
  	nCountDown--;
  }
  else
  {
  	window.clearInterval(oCountDown);
  	document.getElementById('dlbutton').value = 'Download';
  	document.getElementById('dlbutton').style.color = '#ffffff';
  	document.getElementById('dlbutton').disabled = false;
  }
  }