var calender = new function(){
    this.refreshWithDate = function(date){
		
		if(typeof(date.month)=='undefined'){
			
			var stringdate = date;
			date = {};
			date.month = stringdate.replace(/([0-9]+)_[0-9]+/, '$1');
			date.year = stringdate.replace(/[0-9]+_([0-9]+)/, '$1');
			
			
		}
		
		date.ajax = "greek hero";
		
		$('#calenderHolder').load('index.php?go=agenda.showCalendar', date);
		
                
		var url = "http://www.dedoelen.nl/concertgebouw/index.php?go=agenda.advancedsearch&vanjaar=" + date.year + "&vanmaand=" + (date.month) + "&vandag=0&totjaar=" + date.year + "&totmaand=" + (parseInt(date.month, 10)+1) + "&totdag=0";
		
		//alert(url);
		
		document.location.href = url;
    };
};