//NEW

function Clock(id){
	this.id = id;
	
	var that = this;
	setInterval(function(){that.updateClock();}, 1000);
	this.updateClock();
}

Clock.prototype.updateClock = function(){
	var date = new Date();
	var clock = document.getElementById(this.id);
	//console.log(this);
	clock.innerHTML = this.formatDigits(date.getHours()) + ":" + this.formatDigits(date.getMinutes()) + ":" + this.formatDigits(date.getSeconds());
};
	
Clock.prototype.formatDigits = function(val){
	if(val<10) val = "0" + val;

	return val;
}

//OLD

var floor = Math.floor;

function ongoing() {

	var now = new Date();
	
	var w = Math.floor(now.getDay());
	var D = new Array("Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag");
	var DNumb = Math.floor(now.getDate());
	var MNumb = Math.floor(now.getMonth());
	var M = new Array("Januar", "Februar", "M&auml;rz", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember");
	var y = Math.floor(now.getYear());
	if (y < 999) y += 1900;
	
	var ms = Math.floor(now.getMilliseconds());
	var s = Math.floor(now.getSeconds());
	var m = Math.floor(now.getMinutes() + s / 60);
	var h = Math.floor(now.getHours() + m / 60);

	var j2000 = new Date(); // Bezugspunkt ist der 1.1.2000 0:00 UT (entspricht JD 2451544,5)
	j2000.setUTCFullYear(2000,0,1);
	j2000.setUTCHours(0,0,0,0);

	var utc = new Date();
	utc.setUTCFullYear(y,MNumb,DNumb); // Monate müssen im Wertebereich 0...11 übergeben werden
	utc.setUTCHours(h,m,s,ms);

	var utc0 = new Date();
	utc0.setUTCFullYear(y,MNumb,DNumb);
	utc0.setUTCHours(0,0,0,0);

	var jd = 2451544.5 + (utc-j2000) / 86400000; // Zählung erfolgt in Millisekunden, 1 Tag = 86.400.000 ms
	var jdUTC0 = 2451544.5 + (utc0-j2000) / 86400000;
	
	var N = jd - 2451545.0;
	var L = 280.460 + 0.9856474 * N; // mittlere ekliptikale Länge der Sonne
	var g = 357.528 + 0.9856003 * N; // mittlere Anomalie
	var el = L + 1.915 * Math.sin(g) + 0.020 * Math.sin(2*g);
	var e = 23.439 - 0.0000004 * N;
	var rektaszension = Math.atan((Math.cos(e)*Math.sin(el)) / Math.cos(el));
	
	var T = (jdUTC0 - 2451545.0) / 36525;
	var stGMT = (((6*3600) + (41*60) + 50.54841) + (8640184.812866*T) + (0.093104*Math.pow(T,2)) - (0.0000062*Math.pow(T,3))) / 3600;
	
	var stGMT2 = 6.697376 + 2400.05134 * T + 1.002738 * T;
	var hWGMT = stGMT2 * 15;
	var hW = hWGMT + 11.9566185772;
	
	var st = (stGMT + (now.getUTCHours()*1.00273790935)) + (11.9566185772/15); // Sommerzeit muss noch berücksichtigt werden
	var st24 = Math.abs(st - (Math.round(st / 24) * 24));
	var stH = Math.floor(st24);
	var stM = Math.floor((st24 % 1) * 60);
	var stS = zeroFill(Math.floor((((st24 % 1) * 60) % 1) * 60), 2);
	
	var travelWidth = document.body.clientWidth;
	var travelHeight = document.body.clientHeight;
	var sunPosX = 0;
	var sunPosY = 0;
	var moonPosX = 0;
	var moonPosY = 0;
	
	var sun = $("#sun").css({
		"left": (s / 60) * travelWidth,
		"top": (m / 60) * travelHeight
	});
	
	$("#day").text(D[w]);
	$("#dayNumb").text(DNumb);
	$("#month").text(M[MNumb]);
	$("#year").text(y);
	$("#time").text('' + zeroFill(h, 2) + ':' + zeroFill(m, 2) + ':' + zeroFill(s, 2));
	
	$("#julian").text(jd.toFixed(6));
	//$("#star").text(stH + ':' + stM + ':' + stS);
	$("#star").text(stH + ':' + stM);
	$("#star1").text(stGMT);
	$("#star2").text(stGMT2);
	
}

function zeroFill( number, width ){
	width -= number.toString().length;
	if ( width > 0 ){
		return new Array( width + (/\./.test( number ) ? 2 : 1) ).join( '0' ) + number;
	}
	return number + ""; // always return a string
}

// create emails
function composeMail(tag, name, prov, suffix, text, topic) {
	var trigger = tag.indexOf(".");
	var mailString = name + '@' + prov + '.' + suffix;
	var textString = mailString.replace(/@/g, "(at)");
	var descString = "Nachricht an " + mailString;
	if (trigger == -1) {
		if (!text) {
			text = mailString;
		} else if (text == "at") {
			text = textString;
		} else if (text == "to") {
			text = descString;
		}
		if (!topic) {
			topic = "";
		} else {
			topic = "?subject=" + topic;
		}
		var old = $('#'+tag).html();
		$('#'+tag).html(old + text);
		$('#'+tag).attr("href", "mailto:" + mailString + topic);
	} else {
		$(tag).each(function() {
			if (!text) {
				text = mailString;
			} else if (text == "at") {
				text = textString;
			} else if (text == "to") {
				text = descString;
			}
			if (!topic) {
				topic = "";
			} else {
				topic = "?subject=" + topic;
			}
			var old = $(this).html();
			$(this).html(old + text);
			$(this).attr("href", "mailto:" + mailString + topic);
		});
	}
}

//Länge der Balken im Diagram berechnen
function barwidth(size, G, W) {
	var s = size;
	var g = G;
	var w = W;
	var p = ( w / g ) * 100;
	var newW = s * ( p /100 );

	return newW;
}
//String Element erweitern
String.prototype.transform = function() { 
	return parseFloat(this.replace(',', '.')); 
}
//Array Element erweitern
Array.prototype.arrayAdd = function() {
	return eval(this.join("+"));
}
//Speicherplatz in Prozent berechnen
function percentage(total, gigs, round) {
		var totalSpace = total;
		var singleSpace = gigs;
		var z = round;
		var p = singleSpace / ( totalSpace / 100 );
		
		return p;
}
//Speicherplatz in GB berechnen
function gigabytes(percent, total, round) {
		var occupiedPercent = percent;
		var singleSpace = total;
		var z = round;
		var g = (singleSpace / 100 ) * occupiedPercent;
		
		return g;
}