function unhide(divID) {
  var item = document.getElementById(divID);
  if (item) {
    item.style.display=(item.style.display=='block')?'none':'block';
  }
}


oldTextAry = new Array();

function changeText (fieldObj, newTexStr,divID) {
	if (newTexStr == fieldObj.innerHTML) {
		fieldObj.innerHTML = oldTextAry[fieldObj.id];
	} else {
		oldTextAry[fieldObj.id] = fieldObj.innerHTML;
		fieldObj.innerHTML = newTexStr;
	}
	unhide(divID);
}