function simpleFindObj(name, inLayer)
{
	return document[name] || (document.all && document.all[name])
		|| (document.getElementById && document.getElementById(name))
		|| (document.layers && inLayer && document.layers[inLayer].document[name]);
}

var clockIncrementMillis = 60000;
var localTime;
var clockOffset;
var clockExpirationLocal;
var clockShowsSeconds = false;
var clockTimerID = null;


function clockInit(localDateObject, serverDateObject)
{
    var origRemoteClock = parseInt(clockGetCookieData("remoteClock"));
    var origLocalClock = parseInt(clockGetCookieData("localClock"));
    var newRemoteClock = serverDateObject.getTime();
    var newLocalClock = localDateObject.getTime();
    var maxClockAge = 60 * 60 * 1000;   // get new time from server every 1hr

    if (newRemoteClock != origRemoteClock) {
        document.cookie = "remoteClock=" + newRemoteClock;
        document.cookie = "localClock=" + newLocalClock;
        clockOffset = newRemoteClock - newLocalClock;
        clockExpirationLocal = newLocalClock + maxClockAge;
        localTime = newLocalClock;  // to keep clockUpdate() happy
    }
    else if (origLocalClock != origLocalClock) {
        clockOffset = null;
        clockExpirationLocal = null;
    }
    else {
        clockOffset = origRemoteClock - origLocalClock;
        clockExpirationLocal = origLocalClock + maxClockAge;
        localTime = origLocalClock;
	}
	var nextDayLocal = (new Date(serverDateObject.getFullYear(),
			serverDateObject.getMonth(),
			serverDateObject.getDate() + 1)).getTime() - clockOffset;
    if (nextDayLocal < clockExpirationLocal) {
        clockExpirationLocal = nextDayLocal;
    }
	clockToggleSeconds();
}
function clockOnLoad()
{
    clockUpdate();
}

function clockOnUnload() {
    clockClearTimeout();
}

function clockClearTimeout() {
    if (clockTimerID) {
        clearTimeout(clockTimerID);
        clockTimerID = null;
    }
}

function clockToggleSeconds()
{
    clockClearTimeout();
    if (clockShowsSeconds) {
        clockShowsSeconds = false;
        clockIncrementMillis = 60000;
    }
    else {
        clockShowsSeconds = true;
        clockIncrementMillis = 1000;
    }
    clockUpdate();
}

function clockTimeString(inHours, inMinutes, inSeconds) {
		
    return inHours == null ? "-:--" : ((inHours == 24
                   ? "0" : (inHours <= 24 ? inHours : inHours))
                + (inMinutes < 10 ? ":0" : ":") + inMinutes
                + (clockShowsSeconds
                   ? ((inSeconds < 10 ? ":0" : ":") + inSeconds) : ""));
                //+ (inHours < 12 ? " AM" : " PM"));
}

function clockDisplayTime(inHours, inMinutes, inSeconds) {
    
    clockWriteToDiv("ClockTime", clockTimeString(inHours, inMinutes, inSeconds));
	/*for(i=0;i<10;i++){
		clockWriteToDiv('clock'+i, clockTimeString(inHours, inMinutes, inSeconds));
	}*/
	//clockWriteToDiv("ClockTime1", clockTimeString(inHours, inMinutes, inSeconds));
}

function clockWriteToDiv(divName, newValue) // APS 6/29/00
{
    var divObject = simpleFindObj(divName);
    newValue = newValue;
    if (divObject && divObject.innerHTML) {
        divObject.innerHTML = newValue;
    }
    else if (divObject && divObject.document) {
        divObject.document.writeln(newValue);
        divObject.document.close();
    }
}


function clockGetCookieData(label) {
    var c = document.cookie;
    if (c) {
        var labelLen = label.length, cEnd = c.length;
        while (cEnd > 0) {
            var cStart = c.lastIndexOf(';',cEnd-1) + 1;
            while (cStart < cEnd && c.charAt(cStart)==" ") cStart++;
            if (cStart + labelLen <= cEnd && c.substr(cStart,labelLen) == label) {
                if (cStart + labelLen == cEnd) {                
                    return ""; 
                }
                else if (c.charAt(cStart+labelLen) == "=") {
                    return unescape(c.substring(cStart + labelLen + 1,cEnd));
                }
            }
            cEnd = cStart - 1;  
        }
    }
    return null;
}
function clockUpdate()
{
    var lastLocalTime = localTime;
    localTime = (new Date()).getTime();
    if (clockOffset == null) {
        clockDisplayTime(null, null, null);
    }
    else if (localTime < lastLocalTime || clockExpirationLocal < localTime) {
        document.cookie = 'remoteClock=-';
        document.cookie = 'localClock=-';
        //location.reload();      // will refresh time values in cookies
    }
    else {
        var serverTime = new Date(localTime + clockOffset);
        clockDisplayTime(serverTime.getHours(), serverTime.getMinutes(),
            serverTime.getSeconds());
        clockTimerID = setTimeout("clockUpdate()",
            clockIncrementMillis - (serverTime.getTime() % clockIncrementMillis));
    }
}