function openWin( windowURL, windowName, windowFeatures ) { return window.open( windowURL, windowName, windowFeatures ) ; }
function closeWin( ) { close() }	
function dm(msgStr) {
  document.returnValue = false;
  if (document.images) { 
     window.status = msgStr;
     document.returnValue = true;
  }
}
function menuOn(menuName) {
        if (document.images) {
            document[menuName].src = eval(menuName + "on.src");
        }
}
function menuOff(menuName) {
        if (document.images) {
            document[menuName].src = eval(menuName + "off.src");
        }
}
function menuMainOn(menuName) {
        if (document.images) {
            document[menuName].src = eval(menuName + "on.src");
        }
}
function menuMainOff(menuName) {
        if (document.images) {
            document[menuName].src = eval(menuName + "off.src");
        }
}