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各个区域的时间显示
<body background=back.gif OnLoad="timeCheck(timezone, 0)">
<script language="JavaScript">
<!-- Begin
var timerRunning = false;
var timezone = "格林尼治平均时";
var adjust = 0;
function timeCheck(tzone, diff) {
if (timerRunning) {
clearTimeout(updatetime);
timerRunning = false; }
gmtOffset=eval(diff+adjust);
timezone = tzone;
checkDateTime();
}
function checkDateTime () {
var today = new Date();
var year = today.getYear() + 00;
var month = today.getMonth()+1;
var date = today.getDate();
var day = today.getDay();
var hour = today.getHours();
var minute = today.getMinutes();
var second = today.getSeconds();
var lastSat = date - (day+1);
while (lastSat < 32) lastSat+=7;
if (lastSat > 31) lastSat+=-7;
var firstSat = date - (day+1);
while (firstSat > 0) firstSat+=-7;
if (firstSat < 1) firstSat+=7;
if ((((month == 4) && (date >= firstSat)) || month > 4) &&
(month < 11 || ((month == 10) && day <= lastSat))) adjust += 60;
yourOffset = (new Date()).getTimezoneOffset();
yourOffset = yourOffset + adjust;
var xx = navigator.appName
var xy = navigator.appVersion;
xy = xy.substring(0,1);
if ((xy == 4) && (xx == "Netscape")) yourOffset = yourOffset+adjust;
if ((((month == 4) && (date > 20)) || month > 4) && (month < 11 || ((month == 10) &&
day < 30))) adjust -= 60;
ourDifference = eval(gmtOffset - yourOffset);
var half = eval(ourDifference % 60);
ourDifference = Math.round(ourDifference / 60);
hour = eval(hour - ourDifference);
var m = new Array("",
"1","2","3",
"4","5","6",
"7","8","9",
"10","11","12");
var leap = eval(year % 4);
