js写的客户端当前时间

function initArray() 
    { 
        for(i=0;i<initArray.arguments.length;i++) 
        this[i]=initArray.arguments[i]; 
    } 
    var isnMonths=new initArray("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"); 
    var isnDays=new initArray("星期日","星期一","星期二","星期三","星期四","星期五","星期六","星期日"); 
    today=new Date(); 
    hrs=today.getHours(); 
    min=today.getMinutes(); 
    sec=today.getSeconds(); 

    function getFullYear(d) 
    { 
        yr=d.getYear();
        if(yr<1000) 
        yr+=1900;return yr;
    }   
   
    window.onload=function(){
        document.getElementById("nowTime").innerHTML =getFullYear(today) + "年" + isnMonths[today.getMonth()]+today.getDate()+"日";
    }