JS简单页面倒计时转跳

<script language="javascript">
var maxtime = 15;
function CountDown(){   
	if(maxtime>=1)
	{    
		var msg = maxtime;   
		document.getElementById("daoSec").innerHTML=msg;   
		--maxtime;   
	} else {   
		clearInterval(timer);    
		window.location.href="http://www.xrccc.com/";
	}   
}  
window.onload = CountDown; 
timer = setInterval("CountDown()",1000);
</script>

倒计时<em id="daoSec">15</em>秒