<script language=Javascript>   function time(){          //获得显示时间的div    t_div = document.getElementById(‘showtime‘);           var now=new Date()t_div.innerHTML = "现在是"+now.getFullYear()+"年"+(now.getMonth()+1)+"月"+now.getDate()+"日"+now.getHours()+"时"+now.getMinutes()+"分"+now.getSeconds()+"秒";    //等待一秒钟后调用time方法，由于settimeout在time方法内，所以可以无限调用    setTimeout(time,1000);                 }</script>