function showHideMessage(theDiv) {
     var elem = document.getElementById(theDiv);
     elem.style.display = (elem.style.display == "none")?"":"none";
}function showMessage(theDiv) {
     var elem = document.getElementById(theDiv);
     elem.style.display = (elem.style.display == "none")?"":"yes";
}function HideMessage(theDiv) {
     var elem = document.getElementById(theDiv);
     elem.style.display = (elem.style.display == "yes")?"":"none";
}