function showInfo() {
	var info = document.getElementById("info");
	if ( info.style.display != "block" ) {
		info.style.display = "block";
	} else {
		info.style.display = "none";
	}
}

function incMonth() {
	var op = document.getElementById("op");
	var form = document.getElementById("monthForm");
//	alert(op.value);
	op.value="inc";
//	alert(op.value);
	form.submit();
}
function decMonth() {
	var op = document.getElementById("op");
	var form = document.getElementById("monthForm");
	op.value="dec";
//	alert(op.value);
	form.submit();
}

function setToday() {
	var op = document.getElementById("op");
	var form = document.getElementById("monthForm");
	op.value="setToday";
//	alert(op.value);
	form.submit();
}

function monthYear() {
	var op = document.getElementById("op");
	op.value="set";
}

function checkKey() {
	var KeyID = event.keyCode;
	var form = document.getElementById("monthForm");
	var op = document.getElementById("op");
	op.value="set";

	if ( KeyID == 13 ) {
		form.submit();
	}
}

function popup(apri, width, height) {
   var l = Math.floor((screen.width-width)/2);
   var t = Math.floor((screen.height-height)/2);

   var stile = "top=" + t + ", left=" + l + ", width=" + width + ", height=" + height + ", status=no, menubar=no, toolbar=no scrollbar=no";
   window.open(apri, "", stile);
}