function toggleVisible(mID) {
	var item = document.getElementById(mID);
	var display = item.style.display;
	item.style.display = (display == "block") ? "none" : "block";
}

function inVisible(mID) {
	var item = document.getElementById(mID);
	item.style.display = "none";
}
function toggleEnabled(mID) {
  var item = document.getElementById(mID);
  var ena = item.disabled;
  item.disabled = (ena) ? false : true;
}