前台显示系统时间的一个小脚本

<script type="text/javascript">
function showLocale(objD)
{
var str,colorhead,colorfoot;
var yy = objD.getYear();
if(yy<1900) yy = yy+1900;
var MM = objD.getMonth()+1;
if(MM<10) MM = '0' + MM;
var dd = objD.getDate();
if(dd<10) dd = '0' + dd;
var hh = objD.getHours();
if(hh<10) hh = '0' + hh;
var mm = objD.getMinutes();
if(mm<10) mm = '0' + mm;
var ss = objD.getSeconds();
if(ss<10) ss = '0' + ss;
var ww = objD.getDay();
if  ( ww==0 )  colorhead="<font color=\"#FF0000\">";
if  ( ww > 0 && ww < 6 )  colorhead="<font color=\"#373737\">";
if  ( ww==6 )  colorhead="<font color=\"#008000\">";
if  (ww==0)  ww="星期日";
if  (ww==1)  ww="星期一";
if  (ww==2)  ww="星期二";
if  (ww==3)  ww="星期三";
if  (ww==4)  ww="星期四";
if  (ww==5)  ww="星期五";
if  (ww==6)  ww="星期六";
colorfoot="</font>"
str = colorhead + yy + "-" + MM + "-" + dd + " " + hh + ":" + mm + ":" + ss + "  " + ww + colorfoot;
return(str);
}
function tick()
{
var today;
today = new Date();
document.getElementById("xxsj").innerHTML = showLocale(today);
window.setTimeout("tick()", 1000);
}
tick();
</script>