var cal_zilla,start_cal,end_cal;      
window.onload = function () {
	cal_zilla = new Epoch('cal_zilla','flat',document.getElementById('calzilla'));
};

calstart = function () {
	start_cal  = new Epoch('start_cal','popup',document.getElementById('event_start'));
	end_cal  = new Epoch('end_cal','popup',document.getElementById('event_end'));
}