function HpbImgPreload()
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=(document.layers && (appVer >= 4));
  var isIE=(document.all    && (appVer >= 4));
  if (isNC || 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=(document.layers && (appVer >= 4));
  var isIE=(document.all    && (appVer >= 4));
  if (isNC || 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_ROLLOVER6', 'img/menu/00_1.gif', 'img/menu/00_2.gif');
HpbImgPreload('_HPB_ROLLOVER7', 'img/menu/01_1.gif', 'img/menu/01_2.gif');
HpbImgPreload('_HPB_ROLLOVER8', 'img/menu/02_1.gif', 'img/menu/02_2.gif');
HpbImgPreload('_HPB_ROLLOVER9', 'img/menu/03_1.gif', 'img/menu/03_2.gif');
HpbImgPreload('_HPB_ROLLOVER10', 'img/menu/04_1.gif', 'img/menu/04_2.gif');
HpbImgPreload('_HPB_ROLLOVER11', 'img/menu/05_1.gif', 'img/menu/05_2.gif');
HpbImgPreload('_HPB_ROLLOVER12', 'img/menu/06_1.gif', 'img/menu/06_2.gif');
HpbImgPreload('_HPB_ROLLOVER13', 'img/menu/07_1.gif', 'img/menu/07_2.gif');