/*
 * Copyright (c) 2006 Jörn Zaefferer and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
 *
 * Additional methods and properties added by Kelvin Luck: firstDayOfWeek, dateFormat, zeroTime, asString, fromString -
 * I've added my name to these methods so you know who to blame if they are broken!
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * NOTE: Compacted for eropuit.nl
 *
 */

//Date.dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
Date.dayNames = ["zondag","maandag","dinsdag","woensdag","donderdag","vrijdag","zaterdag"];

//Date.abbrDayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
Date.abbrDayNames = ["zo","ma","di","wo","do","vr","za"];

//Date.monthNames = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
Date.monthNames = ["januari","februari","maart","april","mei","juni","juli","augustus","september","oktober","november","december"];

//Date.abbrMonthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
Date.abbrMonthNames = ["jan","feb","mrt","apr","mei","jun","jul","aug","sep","okt","nov","dec"];

Date.firstDayOfWeek = 1;

Date.format = 'dd/mm/yyyy';
//Date.format = 'mm/dd/yyyy';
//Date.format = 'yyyy-mm-dd';
//Date.format = 'dd mmm yy';

(function() {

	function add(name, method) {
		if( !Date.prototype[name] ) {
			Date.prototype[name] = method;
		}
	};
	
	add("isLeapYear", function() {
		var y = this.getFullYear();
		return (y%4==0 && y%100!=0) || y%400==0;
	});
	
	add("isWeekend", function() {
		return this.getDay()==0 || this.getDay()==6;
	});
	
	add("isWeekDay", function() {
		return !this.isWeekend();
	});
	
	add("getDaysInMonth", function() {
		return [31,(this.isLeapYear() ? 29:28),31,30,31,30,31,31,30,31,30,31][this.getMonth()];
	});

	add("getDayName", function(abbreviated) {
		return abbreviated ? Date.abbrDayNames[this.getDay()] : Date.dayNames[this.getDay()];
	});

	add("getMonthName", function(abbreviated) {
		return abbreviated ? Date.abbrMonthNames[this.getMonth()] : Date.monthNames[this.getMonth()];
	});

	add("getDayOfYear", function() {
		var tmpdtm = new Date("1/1/" + this.getFullYear());
		return Math.floor((this.getTime() - tmpdtm.getTime()) / 86400000);
	});
	
	add("getWeekOfYear", function() {
		return Math.ceil(this.getDayOfYear() / 7);
	});

	add("setDayOfYear", function(day) {
		this.setMonth(0);
		this.setDate(day);
		return this;
	});
	
	add("addYears", function(num) {
		this.setFullYear(this.getFullYear() + num);
		return this;
	});
	
	add("addMonths", function(num) {
		var tmpdtm = this.getDate();
		
		this.setMonth(this.getMonth() + num);
		
		if (tmpdtm > this.getDate())
			this.addDays(-this.getDate());
		
		return this;
	});
	
	add("addDays", function(num) {
		this.setDate(this.getDate() + num);
		return this;
	});

add("addHours", function(num) {
		this.setHours(this.getHours() + num);
		return this;
	});

	add("addMinutes", function(num) {
		this.setMinutes(this.getMinutes() + num);
		return this;
	});
	
	add("addSeconds", function(num) {
		this.setSeconds(this.getSeconds() + num);
		return this;
	});
	
	add("zeroTime", function() {
		this.setMilliseconds(0);
		this.setSeconds(0);
		this.setMinutes(0);
		this.setHours(0);
		return this;
	});
	
	add("asString", function() {
		var r = Date.format;
		return r
			.split('yyyy').join(this.getFullYear())
			.split('yy').join(this.getYear())
			.split('mmm').join(this.getMonthName(true))
			.split('mm').join(_zeroPad(this.getMonth()+1))
			.split('dd').join(_zeroPad(this.getDate()));
	});
	
	Date.fromString = function(s)
	{
		var f = Date.format;
		var d = new Date('01/01/1977');
		var iY = f.indexOf('yyyy');
		if (iY > -1) {
			d.setFullYear(Number(s.substr(iY, 4)));
		} else {
			// TODO - this doesn't work very well - are there any rules for what is meant by a two digit year?
			d.setYear(Number(s.substr(f.indexOf('yy'), 2)));
		}
		var iM = f.indexOf('mmm');
		if (iM > -1) {
			var mStr = s.substr(iM, 3);
			for (var i=0; i<Date.abbrMonthNames.length; i++) {
				if (Date.abbrMonthNames[i] == mStr) break;
			}
			d.setMonth(i);
		} else {
			d.setMonth(Number(s.substr(f.indexOf('mm'), 2)) - 1);
		}
		d.setDate(Number(s.substr(f.indexOf('dd'), 2)));
		if (isNaN(d.getTime())) return false;
		return d;
	}
	
	// utility method
	var _zeroPad = function(num) {
		var s = '0'+num;
		return s.substring(s.length-2)
		//return ('0'+num).substring(-2); // doesn't work on IE :(
	};
	
})();
		
/*
 * Copyright (c) 2007 Kelvin Luck (http://www.kelvinluck.com/)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * $Id: jquery.datePicker.js 2036 2007-06-05 22:55:15Z kelvin.luck $
 *
 *
 * NOTE: Compacted for eropuit.nl 
 *
 */
 
 (function($){
    
	$.fn.extend({
		renderCalendar  :   function(s)
		{
			var dc = function(a)
			{
				return document.createElement(a);
			};
			
			s = $.extend(
				{
					month			: null,
					year			: null,
					renderCallback	: null,
					showHeader		: $.dpConst.SHOW_HEADER_SHORT,
					dpController	: null,
					hoverClass		: 'dp-hover'
				}
				, s
			);
			
			if (s.showHeader != $.dpConst.SHOW_HEADER_NONE) {
				var headRow = $(dc('tr'));
				for (var i=Date.firstDayOfWeek; i<Date.firstDayOfWeek+7; i++) {
					var weekday = i%7;
					var day = Date.dayNames[weekday];
					headRow.append(
						jQuery(dc('th')).attr({'scope':'col', 'abbr':day, 'title':day, 'class':(weekday == 0 || weekday == 6 ? 'weekend' : 'weekday')}).html(s.showHeader == $.dpConst.SHOW_HEADER_SHORT ? day.substr(0, 2) : day)
					);
				}
			};
			
			var calendarTable = $(dc('table'))
									.attr(
										{
											'cellspacing':2,
											'className':'jCalendar'
										}
									)
									.append(
										(s.showHeader != $.dpConst.SHOW_HEADER_NONE ? 
											$(dc('thead'))
												.append(headRow)
											:
											dc('thead')
										)
									);
			var tbody = $(dc('tbody'));
			
			var today = (new Date()).zeroTime();
			
			var month = s.month == undefined ? today.getMonth() : s.month;
			var year = s.year || today.getFullYear();
			
			var currentDate = new Date(year, month, 1);
			
			
			var firstDayOffset = Date.firstDayOfWeek - currentDate.getDay() + 1;
			if (firstDayOffset > 1) firstDayOffset -= 7;
			currentDate.addDays(firstDayOffset-1);
			
			var doHover = function()
			{
				if (s.hoverClass) {
					$(this).addClass(s.hoverClass);
				}
			};
			var unHover = function()
			{
				if (s.hoverClass) {
					$(this).removeClass(s.hoverClass);
				}
			};
			
			var w = 0;
			while (w++<6) {
				var r = jQuery(dc('tr'));
				for (var i=0; i<7; i++) {
					var thisMonth = currentDate.getMonth() == month;
					var d = $(dc('td'))
								.attr('className', (thisMonth ? 'current-month ' : 'other-month ') +
													(currentDate.isWeekend() ? 'weekend ' : 'weekday ') +
													(thisMonth && currentDate.getTime() == today.getTime() ? 'today ' : '')
								)
							;
					if (s.renderCallback) {
						s.renderCallback(d, currentDate, month, year);
					}
					r.append(d);
					if(d.attr('className').match('other-month')) var f = $(dc('span'))
								.text(currentDate.getDate() + '')
							;
						else var f = $(dc('a'))
								.attr('href', '#')
								.text(currentDate.getDate() + '')
							;
					d.append(f);
					currentDate.addDays(1);
				}
				tbody.append(r);
			}
			calendarTable.append(tbody);
			
			return this.each(
				function()
				{
					$(this).empty().append(calendarTable);
				}
			);
		}
	});
	
	// static constants
	$.dpConst = {
		SHOW_HEADER_NONE	:	0,
		SHOW_HEADER_SHORT	:	1,
		SHOW_HEADER_LONG	:	2,
		POS_TOP				:	0,
		POS_BOTTOM			:	1,
		POS_LEFT			:	0,
		POS_RIGHT			:	1
	};
	// version
	$.dpVersion = '$Id: jquery.datePicker.js 2036 2007-06-05 22:55:15Z kelvin.luck $';
})(jQuery);