var styles_el = new Array("url(12.png)","url(11.png)","url(10.png)","url(9.png)","url(8.png)","url(7.png)", " url(6.png)", "url(5.png)", "url(4.png)",  "url(3.png)", "url(2.png)", "url(1.png)"); 
				

var counter = 0;
function Countdown(){
		window.setTimeout("Change()",1000);
}

function Change(){
    var thisObject = document.getElementById('digits');
	eval("thisObject.style.background='" + styles_el[counter] + "'");   
	counter++;
	window.setTimeout("Change()",1000);
}