today = new Date()
if(today.getDay()==0) day = "<font color=purple>星期日</font>" 
if(today.getDay()==1) day = "星期一"
if(today.getDay()==2) day = "星期二"
if(today.getDay()==3) day = "星期三"
if(today.getDay()==4) day = "星期四"
if(today.getDay()==5) day = "星期五"
if(today.getDay()==6) day = "星期六"


document.write(today.getYear(),"年",today.getMonth()+1,"月",today.getDate(),"日"," ");
document.write(day," ");


document.write("<span id='clock'></span>");
var now,hours,minutes,seconds,timeValue;
function showtime(){
now = new Date();
hours = now.getHours();
minutes = now.getMinutes();
seconds = now.getSeconds();
timeValue = + hours + ":";
timeValue += ((minutes < 10) ? "0" : "") + minutes + "&nbsp;"+"";
<!-- timeValue += ((seconds < 10) ? " 0" : "") + seconds +""; -->
clock.innerHTML = timeValue;
setTimeout("showtime()",100);
}
showtime();