function BannerHoverEffectOn(idPrefix) {
  obj = document.getElementById(idPrefix + "-0");
  if (obj != null) {
    obj.style.display = "none";
  } 
  obj = document.getElementById(idPrefix + "-1");
  if (obj != null) {
    obj.style.display = "block";
  } 
  obj = document.getElementById(idPrefix + "-1-curl");
  if (obj != null) {
    obj.style.display = "block";
  } 
}

function BannerHoverEffectOff(idPrefix) {
  obj = document.getElementById(idPrefix + "-0");
  if (obj != null) {
    obj.style.display = "block";
  } 
  obj = document.getElementById(idPrefix + "-1");
  if (obj != null) {
    obj.style.display = "none";
  } 
  obj = document.getElementById(idPrefix + "-1-curl");
  if (obj != null) {
    obj.style.display = "none";
  } 
}

function ButtonHoverEffect(idPrefix, action) {
  obj = document.getElementById(idPrefix + "-hover");
  if (obj != null) {
    obj.style.display = (action=="on") ? "block" : "none";
  }
  obj = document.getElementById(idPrefix + "");
  if (obj != null) {
    obj.style.display = (action=="on") ? "none" : "block";
  }
}