function y2k(number) { return (number < 1000) ? number + 1900 : number; } 
 
function dispdate(){ 
     var now = new Date(); 
     var dd = now.getDate() , mt = now.getMonth() + 1 , yy = y2k(now.getYear()) , weekVal = now.getDay(); 
 
        if (weekVal==0) 
       msg1="星期日"; 
    else if (weekVal==1) 
        msg1="星期一";  
    else if (weekVal==2) 
        msg1="星期二";  
    else if (weekVal==3) 
            msg1="星期三";  
    else if (weekVal==4) 
            msg1="星期四";  
    else if (weekVal==5) 
            msg1="星期五";  
    else if (weekVal==6) 
            msg1="星期六";  
 
   document.write(yy+"年"+mt+"月"+dd+"日"+" "+msg1); 
}
 dispdate();