<!-- HPB_SCRIPT_CODE_40   02/10/28 Mod. M.Wakida
imgName = new Array("A", "B", "C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","AA","AB","AC","AD","AE","AF","AG","AH","AI");
imgSrcO = "mapimg/ao.gif";
imgSrcR = "mapimg/ar.gif";

function preLoad() {
  var loadList;
  loadList = new Array("mapimg/ao.gif","mapimg/ar.gif");
  onImages = new Array();
  for (field in loadList) {
    onImages[field] = new Image();
    onImages[field].src = loadList[field];
  }
}
function _ISwap(imgIdx, sw) {
    if (document.images) {
      var img = document.images[imgName[imgIdx]];
      if (!img) img = _HpbImgFind(document, imgName[imgIdx]);
      if (img && sw == 1) img.src = imgSrcR;
      if (img && sw == 0) img.src = imgSrcO;
    }
}
function _HpbImgFind(doc, imgName) {
  for (var i=0; i < doc.layers.length; i++) {
    var img = doc.layers[i].document.images[imgName];
    if (!img) img = _HpbImgFind(doc.layers[i], imgName);
    if (img) return img;
  }
  return null;
}
//-->