<script type="text/javascript">

var t = 5; //倒计时的秒数

function showTime(){

document.getElementById('time').innerHTML= t +"S后跳转到首页";

if(t==0){

var ua = navigator.userAgent;

if(ua.indexOf('iPhone')>=0){

window.location.href="openApp.jdmobile://virtual?params={\"category\":\"jump\",\"des\":\"HomePage\"}";

}

if(ua.indexOf('android')>=0){

window.location.href="openApp.jdMobile://360buy?type=1";

}

else {

window.location.href="http://m.jd.com";

}

}

t -= 1;

if(t>=0){

setTimeout("showTime()",1000);

}

}

window.οnlοad=function(){ showTime();

}

</script>