js获取系统时间
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<SCRIPT language=JavaScript>
function Year_Month(){
    var now = new Date();
    var yy = now.getYear();
    var mm = now.getMonth()+1;
    var cl = '<font color="#333333">';
    if (now.getDay() == 0) cl = '<font color="#333333">';
    if (now.getDay() == 6) cl = '<font color="#333333">';
    return(cl + yy + '年' + mm + '月</font>'); }
function Date_of_Today(){
    var now = new Date();
    var cl = '<font color="#ff0000">';
    if (now.getDay() == 0) cl = '<font color="#333333">';
    if (now.getDay() == 6) cl = '<font color="#333333">';
    return(cl + now.getDate() + '</font>'); }
function Day_of_Today(){
    var day = new Array();
    day[0] = "星期日";
    day[1] = "星期一";
    day[2] = "星期二";
    day[3] = "星期三";
    day[4] = "星期四";
    day[5] = "星期五";
    day[6] = "星期六";
    var now = new Date();
    var cl = '<font color="#333333">';
    if (now.getDay() == 0) cl = '<font color="#333333">';
    if (now.getDay() == 6) cl = '<font color="#333333">';
    return(cl + day[now.getDay()] + '</font>'); }
function CurentTime(){
    var now = new Date();
    var hh = now.getHours();
    var mm = now.getMinutes();
    var ss = now.getTime() % 60000;
    ss = (ss - (ss % 1000)) / 1000;
    var clock = hh+':';
    if (mm < 10) clock += '0';
    clock += mm+':';
    if (ss < 10) clock += '0';
    clock += ss;
    return(clock); }
function refreshCalendarClock(){
document.all.calendarClock1.innerHTML = Year_Month();
document.all.calendarClock2.innerHTML = Date_of_Today();
document.all.calendarClock3.innerHTML = Day_of_Today();
document.all.calendarClock4.innerHTML = CurentTime(); }
var webUrl = webUrl;
document.write('<table border="0" cellpadding="0" cellspacing="0"><tr><td>');
document.write('<table id="CalendarClockFreeCode" border="0" cellpadding="0" cellspacing="0" width="60" height="70" ');
document.write('style="position:absolute;visibility:hidden" bgcolor="#eeeeee">');
document.write('<tr><td align="center"><font ');
document.write('style="cursor:hand;color:#ff0000;font-family:宋体;font-size:14pt;line-height:120%" ');
if (webUrl != 'netflower'){
   document.write('</td></tr><tr><td align="center"><font ');
   document.write('style="cursor:hand;color:#2000ff;font-family:宋体;font-size:9pt;line-height:110%" ');
}
document.write('</td></tr></table>');
document.write('<table border="0" cellpadding="0" cellspacing="0" width="61" height="70">');
document.write('<tr><td valign="top" width="100%" height="100%">');
document.write('<table border="0" cellpadding="0" cellspacing="0" width="58" height="67">');
document.write('<tr><td align="center" width="100%" height="100%" >');
document.write('<font id="calendarClock1" style="font-family:宋体;font-size:9pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock2" style="color:#333333;font-family:Arial;font-size:14pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock3" style="color:#333333;font-family:宋体;font-size:9pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock4" style="color:#333333;font-family:宋体;font-size:9pt;line-height:120%"><b> </b></font>');
document.write('</td></tr></table>');
document.write('</td></tr></table>');
document.write('</td></tr></table>');
setInterval('refreshCalendarClock()',1000);
          </SCRIPT>
</BODY>
</HTML>