function popUp(URL,width,height) {
	day = new Date();
	id = day.getTime();

	var winLeft = (screen.width - width) / 2;
	var winUp = (screen.height - height) / 2;

	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+width+',height='+height+',left='+winLeft+',top='+winUp);");
}

function openABNWindow() {
	var winLoc = ""+window.location;  winLoc = winLoc.replace(/^http:\/\/([^\/]+)\/.*/g, "$1");
	window.open("http://www.abnamrogroningen.nl/index.php?url="+winLoc, "ABNformulier", config="width=600, height=600, left=150, top=150 toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no");
}

function in_array(stringToSearch, arrayToSearch) {
	for (s = 0; s < arrayToSearch.length; s++) {
		thisEntry = arrayToSearch[s].toString();
		if (thisEntry == stringToSearch) {
			return true;
		}
	}
	return false;
}

function showcalendar(set_date)
{
	var select_date = new Date();
	select_date.setTime(set_date);
	select_date.setDate(1);
	select_date.setHours(0,0,0,0);

	var first_date = new Date();
	if (select_date.getDay()==0) {
		first_date.setTime(select_date.getTime() -1*(6)*24*3600*1000);
	} else {
		first_date.setTime(select_date.getTime() -1*(select_date.getDay()-1)*24*3600*1000);
	}

	var calendar_array = new Array();
	var extraday = false;
	var druk = new Date();
	for (i = 0; i < 42; i++) {
		druk.setTime(first_date.getTime()+i*24*3600*1000);
		druk.setHours(0,0,0,0);

		if (!in_array(druk.getTime(),calendar_array)) {
			calendar_array.push(druk.getTime());
		} else {
			extraday = true;
		}
	}

	if (extraday) {
		druk.setTime(first_date.getTime()+42*24*3600*1000);
		druk.setHours(0,0,0,0);

		if (!in_array(druk.getTime(),calendar_array)) {
			calendar_array.push(druk.getTime());
		}
	}

	var maanden = new Array();
			maanden[0] = 'januari';
				maanden[1] = 'februari';
				maanden[2] = 'maart';
				maanden[3] = 'april';
				maanden[4] = 'mei';
				maanden[5] = 'juni';
				maanden[6] = 'juli';
				maanden[7] = 'augustus';
				maanden[8] = 'september';
				maanden[9] = 'oktober';
				maanden[10] = 'november';
				maanden[11] = 'december';
		
	var calendar_div = document.getElementById('calendar');
	var html;

	var prev_date = new Date();
	prev_date.setTime(select_date.getTime());
	if (prev_date.getMonth() == 0) {
		prev_date.setMonth(11);
		prev_date.setFullYear(select_date.getFullYear()-1);
	} else {
		prev_date.setMonth(select_date.getMonth()-1);
	}

	var next_date = new Date();
	next_date.setTime(select_date.getTime());
	if (next_date.getMonth() == 11) {
		next_date.setMonth(0);
		next_date.setFullYear(select_date.getFullYear()+1);
	} else {
		next_date.setMonth(select_date.getMonth()+1);
	}

	html = '<table cellspacing="1" cellpadding="2">';
	html += "<tr><th><a href='#' onclick='showcalendar(\""+prev_date.getTime()+"\"); return false;'>&lt;&lt;</a></th><th colspan='5'>"+maanden[select_date.getMonth()]+" "+select_date.getFullYear()+"</th><th><a href='#' onclick='showcalendar(\""+next_date.getTime()+"\"); return false;'>&gt;&gt;</a></th></tr>";

	for (i = 0; i<calendar_array.length; i++) {
		//alert(calendar[i]);
		loop_date = new Date();
		loop_date.setTime(calendar_array[i]);

		if (loop_date.getDay() == 1) {
			html += "</tr>";
			html += "<tr>";
		}

		html += "<td class='";
		if (select_date.getMonth() != loop_date.getMonth()) {
			html += "other_month";
		} else {
			html += "current_month";
		}
		if (select_date.getMonth() != loop_date.getMonth()) {
			html += "'><a href='#' onclick=\"return false;\" style='cursor: default;'>"+loop_date.getDate()+"</a></td>";
		} else {
			//html += "'><a href='#' onclick=\"document.getElementById('"+prefix+"_dag').value='"+loop_date.getDate()+"'; document.getElementById('"+prefix+"_maand').value='"+(loop_date.getMonth()+1)+"'; document.getElementById('"+prefix+"_jaar').value='"+loop_date.getFullYear()+"'; calendar_object = document.getElementById('calendar'); calendar_object.className = 'calendar_off'; set_select_time('"+loop_date.getDay()+"','"+prefix+"'); return false;\">"+loop_date.getDate()+"</a></td>";
			html += "'><a href='?date="+loop_date.getTime()+"'>"+loop_date.getDate()+"</a></td>";
		}
	}

	html += "</tr>";

	html += '</table>';

	calendar_div.innerHTML=html;
}




function key_alnum(e, o) { return key_numerical(e, o) || key_alpha(e, o) || Events.stop(e); }
function key_digit(e, o) { return key_numerical(e, o) || Events.stop(e); }
function key_numerical(e, o)
{
	e = Events.IE2DOM(e, o);
	if ("keypress" != e.type) { return; }
	var kc = e.keyCode, cc = e.which; // e.charCode
	// unixpapa.com/js/key.html
	if (8 == kc || 9 == kc || 13 == kc || 35 == kc || 36 == kc || 37 == kc || 39 == kc || 46 == kc
	 || (!e.shiftKey && cc >= 48 && cc <= 57))
	{
		return true;
	}
	var n = e.currentTarget, v = intval(n.value?n.value:0);
	if (43 == cc) { n.value = v+1; }
	if (45 == cc) { n.value = v-1; }
	if (33 == kc) { n.value = v+10; }
	if (34 == kc) { n.value = v-10; }

}
function key_alpha(e, o)
{
	e = Events.IE2DOM(e, o);
	if ("keypress" != e.type) { return; }
	var kc = e.keyCode, cc = e.which; // e.charCode
	// unixpapa.com/js/key.html
	if (8 == kc || 9 == kc || 13 == kc || 35 == kc || 36 == kc || 37 == kc || 39 == kc || 46 == kc
     || (cc >= 65 && cc <= 90) || (cc >= 97 && cc <= 122))
	{
		return true;
	}
	else
	{
		Events.stop(e);
	}
}

function intval(v, def)
{
	var i = parseInt(v);
	return (isNaN(i) ? (def?def:0) : i);
}

function $W(o) { return (o.parentWindow ? o.parentWindow : ($Doc(o) ? $Doc(o).parentWindow : $D(o).parentWindow)) || (o.defaultView ? o.defaultView : ($Doc(o) ? $Doc(o).defaultView : $D(o).defaultView)); }
function point(x,y) { this.x = x; this.y = y; }

var Events =
{
	IE2DOM: function(e,o,exec)
	{
		// quirksmode.org/dom/events/index.html
		if (!e) { e = (o?$W(o):window).event; }
		if (!document.addEventListener) try
		{
			e.target = e.srcElement;
			o = o ? o : e.target;
			// must be a NODE_ELEMENT or NODE_DOCUMENT
			while (o && 1 != o.nodeType && 9 != o.nodeType) { o = o.parentNode; }
			e.currentTarget = o;
			e.metaKey = e.ctrlKey;
			e.cancelable = true;
			e.preventDefault  = function(){this.returnValue = false;};
			e.stopPropagation = function(){this.cancelBubble = true;};
			e.pageX = 0;
			e.pageY = 0;
			e.relatedTarget = null;
			e.time = (new Date).getTime();
			e.which = 1;
			switch (e.type)
			{
			// quirksmode.org/js/events_mouse.html
			case "mouseout":  e.relatedTarget = e.toElement; break;
			case "mouseover": e.relatedTarget = e.fromElement; break;
			// quirksmode.org/js/keys.html
			case "keypress": e.which = e.charCode = e.keyCode; break;
			case "keydown":
			case "keyup": e.which = e.keyCode; e.charCode = 0; break;
			}
			if (e.wheelDelta) { e.detail = -event.wheelDelta/120*3; }
			// w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html#Events-MutationEvent
			if (e.propertyName) { e.attrName = e.propertyName.replace(/([^\.]+).*/, "$1"); } // propertychange vs DOMAttrModified
			if (o)
			{
				var doc = ((9 == o.nodeType) ? o : (o.document ? o.document : null));
				if (e.clientX != null && doc)
				{
					// might be 2px off
					var s = MOO_getDocScroll(doc),
						doce = doc.documentElement, // Standard
						body = doc.body;            // Quirks
					e.pageX = e.clientX + intval(doce.clientLeft||body.clientLeft) + s.x;
					e.pageY = e.clientY + intval(doce.clientTop ||body.clientTop ) + s.y;
				}
				if (exec) { Events.exec(o.events[e.type], e); }
			}
		} catch (e) { }
		return e;
	},

	stop: function(e, keepPropagation)
	{
		if (!e) { e = window.event; }
		e.preventDefault ? e.preventDefault() : e.returnValue = false;
		if (!keepPropagation) { e.stopPropagation ? e.stopPropagation() : e.cancelBubble = true; }
		return false;
	}
}

function $(id) { return document.getElementById(id); }
function postcode_check(e, o)
{
	var prefix = o.name.replace(/postcode.+/, ''),
	href = document.location.href.replace(/\?.+/,'?type=postcode'),
	pc_c = $(prefix+'postcode_a').value,
	pc_l = $(prefix+'postcode_b').value,
	data = "",
	http = new Ajax();

	if (4 == pc_c.length) {
		data = data.addQueryParam('pc_c', pc_c)
		if (2 == pc_l.length) { data = data.addQueryParam('pc_l', pc_l); }
		http.prefix = prefix;
		if (http.post(href, data, postcode_checked)) {
			return Events.stop(e);
		}
	}
	return true;
	/* ouderspostcode_a | ouderspostcode_b | oudersadres | oudersplaats */
}
function postcode_checked(http)
{
	details = eval('('+http.request.responseText+')');
	if (details.straat) { $(http.prefix+'adres').value = details.straat; }
	if (details.plaats) { $(http.prefix+'plaats').value = details.plaats; }
}

var regex_email = new RegExp("^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$");
function emailaddress_check(o)
{
	if (regex_email.test(o.value)) {
		o.style.color = '#009900';
	} else {
		o.style.color = '#FF0000';
	}
}

/* array creator */
var $A = Array.from = function(iterable)
{
	if (!iterable) { return []; }
	if (iterable.toArray) {
		return iterable.toArray();
	} else {
		var i, results = [];
		for (i = 0; i < iterable.length; ++i) { results.push(iterable[i]); }
		return results;
	}
};

/* function delegation */
Function.prototype.bind = function()
{
	var __method = this, args = $A(arguments), object = args.shift();
	return function() { return __method.apply(object, args.concat($A(arguments))); }
};

/* String extending. */
String.prototype.addQueryParam = function(key, value) { return (this==""?"":this+"&")+key+"="+encodeURIComponent(value); };

function Ajax()
{

	/* Private */

	var cb = null;
	function getTransport() {
		try { return new XMLHttpRequest(); }catch(e){}
		try { return new ActiveXObject('Msxml2.request'); }catch(e){}
		try { return new ActiveXObject('Microsoft.request'); }catch(e){}
		return false;
	};

	/* Privileged */

	this.onStateChange = function() {
		if (this.request.readyState == 4) {
			if (typeof cb == 'function') try { cb(this); }catch(e){}
		}
	};

	this.get = function(url, callback) {
		if (!this.request) { return false; }
		cb = callback;
		this.request.open('get', url, true);
		this.request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
		this.request.send(null);
		return true;
	};

	this.post = function(url, data, callback) {
		if (!this.request) { return false; }
		cb = callback;
		this.request.open('post', url, true);
		this.request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
		this.request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
		this.request.setRequestHeader('Content-Length', data.length);
		this.request.send(data);
		return true;
	};

	/* Public */

	this.request = getTransport();
	if (!this.request) { return; }
	this.request.onreadystatechange = this.onStateChange.bind(this);

}

function MOO_getDocScroll(doc)
{
	doc = (doc?doc:document);
	var w = $W(doc),
	 doce = doc.documentElement, // Standard
	 body = doc.body;            // Quirks
	if ("number" == typeof(w.pageYOffset)) { return new point(w.pageXOffset, w.pageYOffset); }
	if (body && (body.scrollLeft || body.scrollTop)) { return new point(body.scrollLeft, body.scrollTop); }
	if (doce && (doce.scrollLeft || doce.scrollTop)) { return new point(doce.scrollLeft, doce.scrollTop); }
	return new point(0,0);
}