function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,height,width,winName,features) { //v2.0
   window.open(theURL,winName,features);
}

function gothere()
{
	where = document.getElementById('lang').value;
	if(where != "") document.location.href=where;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}



function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

/* Berekend het aantal dagen tussen checkin en checkout */
/* Stelt dit in op het veld aantal dagen */
function calcDays(days){
	if (days == null) {
        days = 0;
    }
  var date1 = document.getElementById('checkin').value;
  var date2 = document.getElementById('checkout').value;
  date1 = date1.split("-");
  date2 = date2.split("-");
  var sDate = new Date(date1[1]+"/"+date1[0]+"/"+date1[2]);
  var eDate = new Date(date2[1]+"/"+date2[0]+"/"+date2[2]);
  if (sDate > eDate) {alert("Checkin datum (van) ligt na vertrek!");}
  var daysApart = Math.abs(Math.round((sDate-eDate)/86400000));
  document.getElementById('aantalDagen').value = daysApart+days;
  //alert(daysApart);
  //alert(calcEndDay(document.getElementById('checkin').value,document.getElementById('aantalDagen').value));
}
function SetNumberOfDays(days) {
	if (days == null) {
        days = 0;
    }
 if(document.getElementById('aantalDagen').value == "0"){
	 document.getElementById('aantalDagen').value = 1
 } 

}

/* Bereken de eind datum op basis van datum en aantal dagen*/
/* geeft einddatum terug */
function calcEndDay(date1,NumberOfDays, days){
	if (days == null) {
        days = 0;
    }
	date1 = date1.split("-");
	//alert(date1);

	if (NumberOfDays == ""){NumberOfDays = 1;
	}
	NumberOfDays:Number += parseInt(days); 

	var NewDate = new Date(date1[1]+"/"+date1[0]+"/20"+date1[2]);
	NewDate = new Date(NewDate.getTime() + (NumberOfDays * 24*60*60*1000)+ (1*60*60*1000));
	//alert(NewDate.getDay());
	return dateFormat(NewDate, "dd-mm-yy");
}

/* Stelt de checkout datum in op basis van checkindatum en aantal dagen */
function setEndDay(days) {
	if (days == null) {
        days = 0;
    }
	SetNumberOfDays(days);
	document.getElementById('checkout').value = calcEndDay(document.getElementById('checkin').value, document.getElementById('aantalDagen').value, days);
}
	
/*
	Date Format 1.1
	(c) 2007 Steven Levithan <stevenlevithan.com>
	MIT license
	With code by Scott Trenda (Z and o flags, and enhanced brevity)
*/

/*** dateFormat
	Accepts a date, a mask, or a date and a mask.
	Returns a formatted version of the given date.
	The date defaults to the current date/time.
	The mask defaults ``"ddd mmm d yyyy HH:MM:ss"``.
*/
var dateFormat = function () {
	var	token        = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloZ]|"[^"]*"|'[^']*'/g,
		timezone     = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (value, length) {
			value = String(value);
			length = parseInt(length) || 2;
			while (value.length < length)
				value = "0" + value;
			return value;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask) {
		// Treat the first argument as a mask if it doesn't contain any numbers
		if (
			arguments.length == 1 &&
			(typeof date == "string" || date instanceof String) &&
			!/\d/.test(date)
		) {
			mask = date;
			date = undefined;
		}

		date = date ? new Date(date) : new Date();
		if (isNaN(date))
			throw "invalid date";

		var dF = dateFormat;
		mask   = String(dF.masks[mask] || mask || dF.masks["default"]);

		var	d = date.getDate(),
			D = date.getDay(),
			m = date.getMonth(),
			y = date.getFullYear(),
			H = date.getHours(),
			M = date.getMinutes(),
			s = date.getSeconds(),
			L = date.getMilliseconds(),
			o = date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4)
			};

		return mask.replace(token, function ($0) {
			return ($0 in flags) ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":       "ddd mmm d yyyy HH:MM:ss",
	shortDate:       "m/d/yy",
	mediumDate:      "mmm d, yyyy",
	longDate:        "mmmm d, yyyy",
	fullDate:        "dddd, mmmm d, yyyy",
	shortTime:       "h:MM TT",
	mediumTime:      "h:MM:ss TT",
	longTime:        "h:MM:ss TT Z",
	isoDate:         "yyyy-mm-dd",
	isoTime:         "HH:MM:ss",
	isoDateTime:     "yyyy-mm-dd'T'HH:MM:ss",
	isoFullDateTime: "yyyy-mm-dd'T'HH:MM:ss.lo"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thr", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask) {
	return dateFormat(this, mask);
}


MM_reloadPage(true);
