function navCalendar(idpage, year, month) {
	$("#calendar-view").empty().html('<div id="cal-loader"><img src="typo3conf/ext/ig_oaq_newscalendar/res/ajax-loader.gif" /></div>');
	$.ajax({
	  url: 'index.php?id=' + idpage + '&type=900&tx_ttnews[tt_news]=0&tx_ttnews[calendarYear]=' + year + '&tx_ttnews[calendarMonth]=' + month,
	  success: function(data) {
	    prev =  $('.tx-ttnews').prev();
	    $('.tx-ttnews').remove();
	    prev.after(data);
	  }
	});
}