function caledar_ajax(MP_pathlang, date){
	if($('calendar_event')){
		
		new Request.HTML({
			url:  MP_pathlang+"/sys/calendar_ajax?date="+date,
			method: 'get',
			update: 'calendar_event',
			evalScripts: true,
			onComplete: function(){
					
				var myEffect = new Fx.Morph($('calendar_event'), {duration: 'long', transition: Fx.Transitions.Sine.easeOut});
				myEffect.start({
					'height': $('bigSeminarDesc').getStyle('height'),
					'padding-bottom': $('bigSeminarDesc').getStyle('margin-bottom')
				});
				email();
			}
		}).send();

	}
}