// cmp. http://javascript.about.com/library/blcount1.htm
var month = '5'; // 1 through 12 or '*' within the next month, '0' for the current month
var day = '1';   // day of month or + day offset
var dow = 0;     // day of week sun=1 sat=7 or 0 for whatever day it falls on
var hour = 0;    // 0 through 23 for the hour of the day
var min = 0;    // 0 through 59 for minutes after the hour
var tz = 2;     // offset in hours from UTC to your timezone
var lab = 'cd';  // id of the entry on the page where the counter is to be inserted
var countDown = false;	// opposite is Count Up

function start() {
	displayCountdown(setCountdown(month,day,hour,min,tz),lab);
}
loaded(lab,start);

// Countdown Javascript
// copyright 20th April 2005, 1st November 2009 by Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration
// you may change the start function if required
// Mod by TE to include Count Up

var pageLoaded = 0; 
window.onload = function() {pageLoaded = 1;}
function loaded(i,f) {
	if (document.getElementById && document.getElementById(i) != null) f(); 
	else if (!pageLoaded) setTimeout('loaded(\''+i+'\','+f+')',100);
}
function setCountdown(month,day,hour,min,tz) {
	var m = month; 
	if (month=='*') m = 0;  
	var c = setC(m,day,hour,tz); 
	if (month == '*' && c < 0)  c = setC('*',day,hour,tz); 
	return c;
} 
function setC(month,day,hour,tz) {
	var toDate = new Date();
	if (day.substr(0,1) == '+') {
		var day1 = parseInt(day.substr(1));
		toDate.setDate(toDate.getDate()+day1);
	} else{
		toDate.setDate(day);
	}
	if (month == '*')toDate.setMonth(toDate.getMonth() + 1);
	else if (month > 0) { 
		//if (month <= toDate.getMonth()) toDate.setFullYear(toDate.getFullYear() + 1); // CountDown only
		if (countDown && month <= toDate.getMonth()) toDate.setFullYear(toDate.getFullYear() + 1);
		toDate.setMonth(month-1);
	}
	if (dow >0) toDate.setDate(toDate.getDate()+(dow-1-toDate.getDay())%7);
	toDate.setHours(hour);
	toDate.setMinutes(min-(tz*60));
	toDate.setSeconds(0);
	var fromDate = new Date();
	fromDate.setMinutes(fromDate.getMinutes() + fromDate.getTimezoneOffset());
	var diffDate = new Date(0);
	if (countDown) {
		diffDate.setMilliseconds(toDate - fromDate);
	} else {
		diffDate.setMilliseconds(fromDate - toDate);	// CountUp
	}
	return Math.floor(diffDate.valueOf()/1000);
}
function displayCountdown(countdn,cd) {
	//if (countdn < 0) document.getElementById(cd).innerHTML = "Obligatorisk båtførerbevis er nå innført."; 
	//	else {
		var inc = (countDown) ? countdn-1 : countdn+1;
		var secs = countdn % 60; 
		//if (secs < 10) secs = '0'+secs;
		var countdn1 = (countdn - secs) / 60;
		var mins = countdn1 % 60; 
		//if (mins < 10) mins = '0'+mins;
		countdn1 = (countdn1 - mins) / 60;
		var hours = countdn1 % 24;
		var days = (countdn1 - hours) / 24;
		var DayMsg = (days == 0) ? "&nbsp;" : (days == 1) ? days + " dag" : days + " dager";
		var HourMsg = (hours == 0) ? "&nbsp;" : (hours == 1) ? hours + " time" : hours + " timer";
		var MinuteMsg = (mins == 0) ? "&nbsp;" : (mins == 1) ? mins + " minutt" : mins + " minutter";
		var SecondsMsg = (secs == 0) ? "&nbsp;" : (secs == 1) ? secs + " sekund" : secs + " sekunder";
		document.getElementById(cd).innerHTML = DayMsg +'<br />'+ HourMsg+'<br /> '+ MinuteMsg+'<br /> '+ SecondsMsg;
		setTimeout('displayCountdown('+(inc)+',\''+cd+'\');',999);
//		if (countDown) {
//			setTimeout('displayCountdown('+(countdn-1)+',\''+cd+'\');',999);	// CountDown
//		} else {
//			setTimeout('displayCountdown('+(countdn+1)+',\''+cd+'\');',999);	// CountUp
//		}
	//}
}