<script>

    flag=0;

function start()

{

var timee=new Date();

var year=timee.getFullYear();

var month=timee.getMonth()+1;

var day=timee.getDate();

var hour=timee.getHours();

var min=timee.getMinutes();

var sec=timee.getSeconds();

document.getElementById("clockk").innerHTML=year+"年"+month+"月"+day+"日"+hour+"小时"+min+"分"+sec+"秒";

}

function checkgo()

{

if(flag==0)

{

shua=setInterval('start()',1000);

flag=1;

}else{

clearInterval(shua);

flag=0;

}

}

</script>