var calTxt = "P" + "<br />" + "R" + "<br />" + "O" + "<br />" + "G" + "<br />" + "R" + "<br />" + "A" + "<br />" + "M";
var coll = documet.getElementById('collapse')


function hideCalendar() {
	var cal = document.getElementById('calendar');
	var button = document.getElementById('collapse');
	
	if (cal.style.width != '0%') {
		cal.style.width = '0%';
		cal.style.overflowY = 'hidden';
		button.innerHTML="<<<br /><br />"+calTxt;
		}
	else {
		cal.style.width = '20%';
		cal.style.overflowY = 'auto';
		button.innerHTML=">><br /><br />"+calTxt;
		}
}