// JavaScript Document
var controlid = null;
var currdate = null;
var startdate = null;
var enddate  = null;
var yy = null;
var mm = null;
var hh = null;
var ii = null;
var currday = null;
var addtime = false;
var today = new Date();
var lastcheckedyear = false;
var lastcheckedmonth = false;
var ie =navigator.appName=="Microsoft Internet Explorer" ? true : false;
function $I(){
	if("string" == typeof arguments[0])
		return document.getElementById(arguments[0]);
	return arguments[0];
};

function _cancelBubble(event)
{
	e = event ? event : window.event ;
	if(ie) e.cancelBubble = true;
	else e.stopPropagation();
}

function getposition(obj)
{
	var r = new Array();
	r['x'] = obj.offsetLeft;
	r['y'] = obj.offsetTop;
	while(obj = obj.offsetParent)
	{
		r['x'] += obj.offsetLeft;
		r['y'] += obj.offsetTop;
	}
	return r;
}

function loadcalendar()
{
	s = '';
	s += '<div id="calendar" style="display:none; position:absolute;z-index:10;" onclick="_cancelBubble(event)">';
	if (ie)
	{
		s += '<iframe width="200" height="160" src="about:blank" style="position: absolute;z-index:-1;"></iframe>';
	}
	s += '<div style="width: 200px;"><table class="tableborder" cellspacing="0" cellpadding="0" width="100%" style="text-align: center">';
	s += '<tr align="center" class="header"><td class="header"><a href="#" onclick="refreshcalendar(yy, mm-1);return false" title="Letzte Monate"><<</a></td><td colspan="5" style="text-align: center" class="header"><a href="#" onclick="showdiv(\'year\');_cancelBubble(event);return false" title="Klick ausgewahltes Jahr" id="year"></a>  -  <a id="month" title="Klick ausgewahlte Monate" href="#" onclick="showdiv(\'month\');_cancelBubble(event);return false"></a></td><td class="header"><A href="#" onclick="refreshcalendar(yy, mm+1);return false" title="Naechste Monate">>></A></td></tr>';
	s += '<tr class="category"><td>So</td><td>Mo</td><td>Di</td><td>Mi</td><td>Do</td><td>Fr</td><td>Sa</td></tr>';
	for(var i = 0; i < 6; i++)
	{
		s += '<tr class="altbg2">';
		for(var j = 1; j <= 7; j++)
			s += "<td id=d" + (i * 7 + j) + " height=\"19\">0</td>";
		s += "</tr>";
	}
	s += '<tr id="hourminute"><td colspan="7" align="center"><input type="text" size="1" value="" id="hour" onKeyUp=\'this.value=this.value > 23 ? 23 : zerofill(this.value);controlid.value=controlid.value.replace(/\\d+(\:\\d+)/ig, this.value+"$1")\'> : <input type="text" size="1" value="" id="minute" onKeyUp=\'this.value=this.value > 59 ? 59 : zerofill(this.value);controlid.value=controlid.value.replace(/(\\d+\:)\\d+/ig, "$1"+this.value)\'> </td></tr>';
	s += '</table></div></div>';
	s += '<div id="calendar_year" onclick="_cancelBubble(event)">';
	if(ie) s+= '<iframe width="391" height="155" src="about:blank" frameborder="0" style="position:absolute; left:0; z-index:-1;"></iframe>';
	s += '<div class="col">';
	for(var k = 1930; k < 2030; k++)
	{
		s += k != 1930 && k % 10 == 0 ? '</div><div class="col">' : '';
		s += '<a href="#" onclick="refreshcalendar(' + k + ', mm);$I(\'calendar_year\').style.display=\'none\';return false"><span' + (today.getFullYear() == k ? ' class="today"' : '') + ' id="calendar_year_' + k + '">' + k + '</span></a><br />';
	}
	s += '</div></div>';
	s += '<div id="calendar_month" onclick="_cancelBubble(event)">';
	for(var k = 1; k <= 12; k++)
	{
		s += '<a href="#" onclick="refreshcalendar(yy, ' + (k - 1) + ');$I(\'calendar_month\').style.display=\'none\';return false"><span' + (today.getMonth()+1 == k ? ' class="today"' : '') + ' id="calendar_month_' + k + '">' + k + ( k < 10 ? ' ' : '') + ' Monate</span></a><br />';
	}
	s += '</div>';

	var nElement = document.createElement("div");
	nElement.innerHTML=s;
	document.getElementsByTagName("body")[0].appendChild(nElement);

//	document.write(s);
	document.onclick = function(event)
	{
		$I('calendar').style.display = 'none';
		$I('calendar_year').style.display = 'none';
		$I('calendar_month').style.display = 'none';
	}
	$I('calendar').onclick = function(event)
	{
		_cancelBubble(event);
		$I('calendar_year').style.display = 'none';
		$I('calendar_month').style.display = 'none';
	}
}

function parsedate(s)
{
	/(\d+)\.(\d+)\.(\d+)\s*(\d*):?(\d*)/.exec(s);
	var m1 = (RegExp.$3 && RegExp.$3 > 1899 && RegExp.$3 < 2101) ? parseFloat(RegExp.$3) : today.getFullYear();
	var m2 = (RegExp.$2 && (RegExp.$2 > 0 && RegExp.$2 < 13)) ? parseFloat(RegExp.$2) : today.getMonth() + 1;
	var m3 = (RegExp.$1 && (RegExp.$1 > 0 && RegExp.$1 < 32)) ? parseFloat(RegExp.$1) : today.getDate();
	var m4 = (RegExp.$4 && (RegExp.$4 > -1 && RegExp.$4 < 24)) ? parseFloat(RegExp.$4) : 0;
	var m5 = (RegExp.$5 && (RegExp.$5 > -1 && RegExp.$5 < 60)) ? parseFloat(RegExp.$5) : 0;
	/(\d+)\.(\d+)\.(\d+)\s*(\d*):?(\d*)/.exec("00.00.0000 00\:00");

	return new Date(m1, m2 - 1, m3, m4, m5);
}

function settime(d)
{
	$I('calendar').style.display = 'none';
	//controlid.value = yy + "-" + zerofill(mm + 1) + "-" + zerofill(d) + (addtime ? ' ' + zerofill($I('hour').value) + ':' + zerofill($I('minute').value) : '');
	controlid.value = zerofill(d) + (addtime ? ' ' + zerofill($I('hour').value) + ':' + zerofill($I('minute').value) : '') + "." + zerofill(mm + 1) + "." + yy;
}
if(typeof getWindowInfo !== "function"){
	/***********************************************************
	* Description: To get infos in browser windows
	* Function name: getWindowInfo()
	* returnValue: object
	***************************************************************/
	function getWindowInfo()
	{
		var scrollX=0,scrollY=0,width=0,height=0,contentWidth=0,contentHeight=0;
		if(typeof(window.pageXOffset)=='number')
		{
			scrollX=window.pageXOffset;
			scrollY=window.pageYOffset;
		}
		else if(document.body&&(document.body.scrollLeft||document.body.scrollTop))
		{
			scrollX=document.body.scrollLeft;
			scrollY=document.body.scrollTop;
		}
		else if(document.documentElement&&(document.documentElement.scrollLeft||document.documentElement.scrollTop))
		{
			scrollX=document.documentElement.scrollLeft;
			scrollY=document.documentElement.scrollTop;
		}
		if(typeof(window.innerWidth)=='number')
		{
			width=window.innerWidth;
			height=window.innerHeight;
		}
		else if(document.documentElement&&(document.documentElement.clientWidth||document.documentElement.clientHeight))
		{
			width=document.documentElement.clientWidth;
			height=document.documentElement.clientHeight;
		}
		else if(document.body&&(document.body.clientWidth||document.body.clientHeight))
		{
			width=document.body.clientWidth;
			height=document.body.clientHeight;
		}
		if(document.documentElement&&(document.documentElement.scrollHeight||document.documentElement.offsetHeight))
		{
			if(document.documentElement.scrollHeight>document.documentElement.offsetHeight)
			{
				contentWidth=document.documentElement.scrollWidth;
				contentHeight=document.documentElement.scrollHeight;
			}
			else
			{
				contentWidth=document.documentElement.offsetWidth;
				contentHeight=document.documentElement.offsetHeight;
			}
		}
		else if(document.body&&(document.body.scrollHeight||document.body.offsetHeight))
		{
			if(document.body.scrollHeight>document.body.offsetHeight)
			{
				contentWidth=document.body.scrollWidth;
				contentHeight=document.body.scrollHeight;
			}
			else
			{
				contentWidth=document.body.offsetWidth;
				contentHeight=document.body.offsetHeight;
			}
		}
		else
		{
			contentWidth=width;
			contentHeight=height;
		}
		if(height>contentHeight)
			height=contentHeight;
		if(width>contentWidth)
			width=contentWidth;
		var rect=new Object();
		rect.ScrollX=scrollX;
		rect.ScrollY=scrollY;
		rect.Width=width;
		rect.Height=height;
		rect.ContentWidth=contentWidth;
		rect.ContentHeight=contentHeight;
		return rect;
	}
}

var windowInfo = getWindowInfo();
function showcalendar(event, controlid1, addtime1, startdate1, enddate1)
{
	controlid = controlid1;
	addtime = addtime1;
	startdate = startdate1 ? parsedate(startdate1) : false;
	enddate = enddate1 ? parsedate(enddate1) : false;
	currday = controlid.value ? parsedate(controlid.value) : today;
	hh = currday.getHours();
	ii = currday.getMinutes();
	var p = getposition(controlid);
	$I('calendar').style.display = 'block';
	tmpLeft = p['x']+$I('calendar').offsetWidth;
	if(tmpLeft > windowInfo["Width"])
		$I('calendar').style.left = (windowInfo["Width"]-$I('calendar').offsetWidth)+'px';
	else
		$I('calendar').style.left = p['x']+'px';
	
	tmpTop = p['y']+$I('calendar').offsetHeight;
	if(tmpTop>windowInfo["Height"])
		$I('calendar').style.top	= '0px';
	else
		$I('calendar').style.top = (p['y'])+"px";
	_cancelBubble(event);
	refreshcalendar(currday.getFullYear(), currday.getMonth());
	if(lastcheckedyear != false)
	{
		$I('calendar_year_' + lastcheckedyear).className = 'default';
		$I('calendar_year_' + today.getFullYear()).className = 'today';
	}
	if(lastcheckedmonth != false)
	{
		$I('calendar_month_' + lastcheckedmonth).className = 'default';
		$I('calendar_month_' + (today.getMonth() + 1)).className = 'today';
	}
	$I('calendar_year_' + currday.getFullYear()).className = 'checked';
	$I('calendar_month_' + (currday.getMonth() + 1)).className = 'checked';
	$I('hourminute').style.display = addtime ? '' : 'none';
	lastcheckedyear = currday.getFullYear();
	lastcheckedmonth = currday.getMonth() + 1;
}

function refreshcalendar(y, m)
{
	var x = new Date(y, m, 1);
	var mv = x.getDay();
	var d = x.getDate();
	var dd = null;
	yy = x.getFullYear();
	mm = x.getMonth();
	$I("year").innerHTML = yy;
	$I("month").innerHTML = mm + 1 > 9  ? (mm + 1) : '0' + (mm + 1);

	for(var i = 1; i <= mv; i++)
	{
		dd = $I("d" + i);
		dd.innerHTML = " ";
		dd.className = "";
	}

	while(x.getMonth() == mm)
	{
		dd = $I("d" + (d + mv));
		dd.innerHTML = '<a href="###" onclick="settime(' + d + ');return false">' + d + '</a>';
		if(x.getTime() < today.getTime() || (enddate && x.getTime() > enddate.getTime()) || (startdate && x.getTime() < startdate.getTime()))
		{
			dd.className = 'expire';
		}
		else
		{
			dd.className = 'default';
		}
		if(x.getFullYear() == today.getFullYear() && x.getMonth() == today.getMonth() && x.getDate() == today.getDate())
		{
			dd.className = 'today';
			dd.firstChild.title = 'Heute';
		}
		if(x.getFullYear() == currday.getFullYear() && x.getMonth() == currday.getMonth() && x.getDate() == currday.getDate())
		{
			dd.className = 'checked';
		}
		x.setDate(++d);
	}

	while(d + mv <= 42)
	{
		dd = $I("d" + (d + mv));
		dd.innerHTML = " ";
		d++;
	}

	if(addtime)
	{
		$I('hour').value = zerofill(hh);
		$I('minute').value = zerofill(ii);
	}
}

function showdiv(id)
{
	var p = getposition($I(id));
	if(id=="year"){
		$I('calendar_' + id).style.left = (p['x']- 20)+'px';
		$I('calendar_' + id).style.top = (p['y'] + 0)+'px';
	}else{
		$I('calendar_' + id).style.left = p['x']+'px';
		$I('calendar_' + id).style.top = (p['y'] + 0)+'px';
	}

	$I('calendar_' + id).style.display = 'block';
}

function zerofill(s)
{
	var s = parseFloat(s.toString().replace(/(^[\s0]+)|(\s+$)/g, ''));
	s = isNaN(s) ? 0 : s;
	return (s < 10 ? '0' : '') + s.toString();
}

if(document.all)
	window.attachEvent("onload", function(){loadcalendar()});
else
	window.addEventListener("load", function(){loadcalendar()}, false);