var isNav4, isNav6, isIE4;

function setBrowser()
{
    if (navigator.appVersion.charAt(0) == "4")
    {
        if (navigator.appName.indexOf("Explorer") >= 0)
        {
            isIE4 = true;
        }
        else
        {
            isNav4 = true;
        }
    }
    else if (navigator.appVersion.charAt(0) > "4")
    {
        isNav6 = true;
    }
}

function setIdProperty( id, property, value )
{
		setBrowser();
    if (isNav6)
    {
        var styleObject = document.getElementById( id );
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            styleObject[ property ] = value;
        }
    }
    else if (isNav4)
    {
        document[id][property] = value;
    }
    else if (isIE4)
    {
         document.all[id].style[property] = value;
    }
}

function swapDiv( divNum, expanding )
{
    if (expanding)
    {
        setIdProperty("c" + divNum, "display", "none");
        setIdProperty("e" + divNum, "display", "inline");
    }
    else
    {
        setIdProperty("e" + divNum, "display", "none");
        setIdProperty("c" + divNum, "display", "inline");
    }
}

// -----------------------------------------------------------------------------------

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=400,height=300,left = 200,top = 200');");
}

// -----------------------------------------------------------------------------------

var timerID;

function tzone(tz, os, ds, cl)
{
	this.ct = new Date(0) ;		// datetime
	this.tz = tz ;						// code
	this.os = os ;						// GMT offset
	this.ds = ds ;						// has daylight savings
	this.cl = cl ;						// font color
}

function funClock() 
{
	var ct = new Array(
		new tzone('', 1, 1, 'black')
) ;

	var dt = new Date() ;	// [GMT] time according to machine clock

	var startDST = new Date(dt.getFullYear(), 3, 1) ;
	while (startDST.getDay() != 0)
		startDST.setDate(startDST.getDate() + 1) ;

	var endDST = new Date(dt.getFullYear(), 9, 31) ;

	while (endDST.getDay() != 0)
		endDST.setDate(endDST.getDate() - 1) ;

	var ds_active ;		// DS currently active

	if (startDST < dt && dt < endDST)
		ds_active = 1 ;
	else
		ds_active = 0 ;

	// Adjust each clock offset if that clock has DS and in DS.

	for(n=0 ; n<ct.length ; n++)
		if (ct[n].ds == 1 && ds_active == 1) ct[n].os++ ;

	// compensate time zones
	gmdt = new Date() ;
	for (n=0 ; n<ct.length ; n++)
		ct[n].ct = new Date(gmdt.getTime() + ct[n].os * 3600 * 1000) ;

	document.all.clock.innerHTML =
		'<font color="' + ct[0].cl + '">' + ct[0].tz + ClockString(ct[0].ct) + '</font>' ;

	timerID = window.setTimeout("funClock()", 10000) ;
}

function ClockString(dt)
{
	var stemp, ampm ;
	var dt_year = dt.getUTCFullYear() ;
	var dt_month = dt.getUTCMonth() + 1 ;
	var dt_day = dt.getUTCDate() ;
	var dt_hour = dt.getUTCHours() ;
	var dt_minute = dt.getUTCMinutes() ;
	var dt_second = dt.getUTCSeconds() ;
	dt_year = dt_year.toString() ;
	var months=new Array(13);
	months[1]="Jan";
	months[2]="Feb";
	months[3]="Mar";
	months[4]="Apr";
	months[5]="May";
	months[6]="Jun";
	months[7]="Jul";
	months[8]="Aug";
	months[9]="Sep";
	months[10]="Oct";
	months[11]="Nov";
	months[12]="Dec";
	dt_month=months[dt_month];

	if (0 <= dt_hour && dt_hour < 12)
	{
		ampm = 'AM' ;
		if (dt_hour == 0) dt_hour = 12 ;		
	} else {
		ampm = 'PM' ;
		dt_hour = dt_hour - 12 ;
		if (dt_hour == 0) dt_hour = 12 ;		
	}

	if (dt_minute < 10)
		dt_minute = '0' + dt_minute ;

	if (dt_second < 10)
		dt_second = '0' + dt_second ;

	stemp = dt_day + ' ' + dt_month + ' ' + dt_year.substr(2,2) ;
	stemp = stemp + ' ' + dt_hour + ":" + dt_minute + ' ' + ampm ;
	return stemp ;
}
