// JavaScript
function updateInfo(menuID){
  if(document.getElementById){
    spans = document.getElementsByTagName("span");
    for(x=0;x<spans.length;x++){
      spans.item(x).style.display = "none";
    }
    document.getElementById(menuID).style.display = "block";
  }else{
    infoID = eval("document." + menuID);
    infoID.display = "block";
  }
}