function HpbImgPreload()
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=false,isN6=false,isIE=false;
  if (document.all && appVer >= 4) isIE=true; else
    if (document.getElementById && appVer > 4) isN6=true; else
      if (document.layers && appVer >= 4) isNC=true;
  if (isNC||isN6||isIE)
  {
    if (document.images)
    {
      var imgName = HpbImgPreload.arguments[0];
      var cnt;
      swImg[imgName] = new Array;
      for (cnt = 1; cnt < HpbImgPreload.arguments.length; cnt++)
      {
        swImg[imgName][HpbImgPreload.arguments[cnt]] = new Image();
        swImg[imgName][HpbImgPreload.arguments[cnt]].src = HpbImgPreload.arguments[cnt];
      }
    }
  }
}
// HpbImgFind:
//
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;
}
// HpbImgSwap:
//
function HpbImgSwap(imgName, imgSrc)
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=false,isN6=false,isIE=false;
  if (document.all && appVer >= 4) isIE=true; else
    if (document.getElementById && appVer > 4) isN6=true; else
      if (document.layers && appVer >= 4) isNC=true;
  if (isNC||isN6||isIE)
  {
    if (document.images)
    {
      var img = document.images[imgName];
      if (!img) img = HpbImgFind(document, imgName);
      if (img) img.src = imgSrc;
    }
  }
}
var swImg; swImg=new Array;

HpbImgPreload('_HPB_ROLLOVER1', 'zzz1.gif', 'zzz12.gif');
HpbImgPreload('_HPB_ROLLOVER2', 'zzz2.gif', 'zzz21.gif');
HpbImgPreload('_HPB_ROLLOVER3', 'zzz3.gif', 'zzz31.gif');
HpbImgPreload('_HPB_ROLLOVER4', 'zzz4.gif', 'zzz41.gif');
HpbImgPreload('_HPB_ROLLOVER5', 'zzz5.gif', 'zzz51.gif');
HpbImgPreload('_HPB_ROLLOVER6', 'zzz6.gif', 'zzz61.gif');
HpbImgPreload('_HPB_ROLLOVER7', 'zzz7.gif', 'zzz71.gif');
HpbImgPreload('_HPB_ROLLOVER8', 'zzz8.gif', 'zzz81.gif');
HpbImgPreload('_HPB_ROLLOVER9', 'zzz9.gif', 'zzz91.gif');
HpbImgPreload('_HPB_ROLLOVER10', 'zzza.gif', 'zzzaa.gif');
HpbImgPreload('_HPB_ROLLOVER11', 'zzzb.gif', 'zzzbb.gif');
HpbImgPreload('_HPB_ROLLOVER12', 'zzzc.gif', 'zzzcc.gif');
HpbImgPreload('_HPB_ROLLOVER13', 'zzzd.gif', 'zzzdd.gif');
HpbImgPreload('_HPB_ROLLOVER14', 'zzzh.gif', 'zzzhh.gif');
HpbImgPreload('_HPB_ROLLOVER15', 'zzzi.gif', 'zzzii.gif');
HpbImgPreload('_HPB_ROLLOVER16', 'zzzj.gif', 'zzzjj.gif');
HpbImgPreload('_HPB_ROLLOVER17', 'zzzk.gif', 'zzzkk.gif');
HpbImgPreload('_HPB_ROLLOVER18', 'zzzxx.gif', 'zzzxxx.gif');
HpbImgPreload('_HPB_ROLLOVER19', 'zzzyy.gif', 'zzzyyy.gif');
HpbImgPreload('_HPB_ROLLOVER20', 'images/bustitle0.gif', 'images/bustitle2.gif');
HpbImgPreload('_HPB_ROLLOVER21', 'event/event_top.jpg', 'event/event_top_b.jpg');
HpbImgPreload('_HPB_ROLLOVER22', 'gotoalbum.gif', 'gotoalbum1.gif');
HpbImgPreload('_HPB_ROLLOVER23', '?.gif', '!.gif');
HpbImgPreload('_HPB_ROLLOVER24', '??.gif', '!!.gif');
HpbImgPreload('_HPB_ROLLOVER25', '???.gif', '!!!.gif');
HpbImgPreload('_HPB_ROLLOVER31', 'enjoy/cat_A2.gif', 'enjoy/cat_A1.gif');
HpbImgPreload('_HPB_ROLLOVER32', 'enjoy/cat_B2.gif', 'enjoy/cat_B1.gif');
HpbImgPreload('_HPB_ROLLOVER33', 'enjoy/cat_C2.gif', 'enjoy/cat_C1.gif');