function initDatepicker () {

	if (document.getElementById('datepicker') != null) {
							loadLinkage();
							natDays = eval($('#days').html());
	
							$("#datepicker").datepicker({
								beforeShowDay: nationalDays,
								
								monthNames: ['Januari','Februari','Maart','April','Mei','Juni','Juli','Augustus','September','Oktober','November','December'],
								monthNamesShort: ['Jan','Feb','Mrt','Apr','Mei','Jun','Jul','Aug','Sep','Okt','Nov','Dec'],
								dayNames: ['Zondag','Maandag','Dinsdag','Woensdag','Donderdag','Vrijdag','Zaterdag'],
								dayNamesShort: ['Zon','Maa','Din','Woe','Don','Vri','Zat'],
								dayNamesMin: ['Zo','Ma','Di','Wo','Do','Vr','Za'],
								dayStatus: 'DD', dateStatus: 'D, M d',
								dateFormat: 'dd.mm.yy',
								firstDay: 1,
	
								onSelect: function(dateText) {
								},
								onChangeMonthYear: function(date) { 
								   setTimeout(function(){
									   loadLinkage();
									   extendFunctions();
								   },200);
								}
							});
	
							function extendFunctions() {
								$("td.event a").attr("rel", function (arr) {
								   var id = this.parentNode.id.split(" ");
								   $(this).addClass('jTip');
								   $(this).attr({id:'jtip'+id[0]});;
								   $(this).attr({href:$('#link_'+id[0]).text()});
								   return '#overlay_'+id[0];
								});
	
								JT_init();
							};
	
						};
	
						function loadLinkage() {
							$("td.event a").click(function(){
								var url = this.href;
								window.location=url.replace(/\?width=250/,"");
							});
						};
						
						$('#categorieSelect').change(function(){
							$('#calendarUpdater').submit();
						});
	
						function nationalDays(date) {            
							for (i = 0; i < natDays.length; i++) {
							  if (date.getMonth() == natDays[i][0] - 1 && date.getDate() == natDays[i][1] && date.getFullYear() == natDays[i][2]) {
								return [true, 'event ' +'" id="'+natDays[i][5]];
							  }
							}
						  return [false, ''];
						};
	 
				

};