function itemActive(item, elemId) {
  item.style.color = "#00AA00";
  item.style.backgroundColor = "white";
  document.getElementById(elemId).style.color = "#00AA00";
  document.getElementById(elemId).style.fontWeight = "bold";
}

function itemInactive(item, elemId) {
  item.style.color = "white";
  item.style.backgroundColor = "#00AA00";
  document.getElementById(elemId).style.color = "white";
  document.getElementById(elemId).style.fontWeight = "normal";
}

function show(text) {
  alert(text);
}