// HpbTxtFind:
//
function HpbTxtFind(doc, txtName) {
  for (var i=0; i < doc.layers.length; i++) {
    var txt = doc.layers[i].document.getElementById(txtName);
    if (!txt) txt = HpbTxtFind(doc.layers[i], txtName);
    if (txt) return txt;
  }
  return null;
}
// HpbTxtSwap:
//
function HpbTxtSwap(txtName, txtSrc) {
    if (document.images) {
      var txt = document.getElementById(txtName);
      if (!txt) txt = HpbTxtFind(document, txtName);
      if (txt) txt.innerHTML = txtSrc;
    }
	return null;
}