function HpbImgPreload()
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=(document.layers && (appVer >= 4)); // Netscape Navigator 4.0 or later
  var isIE=(document.all    && (appVer >= 4)); // Internet Explorer  4.0 or later
  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];
      }
    }
  }
}

function HpbImgSwap(imgName, imgSrc)
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=(document.layers && (appVer >= 4)); // Netscape Navigator 4.0 or later
  var isIE=(document.all    && (appVer >= 4)); // Internet Explorer  4.0 or later
  if (isNC || isIE)
  {
    if (document.images)
    {
      document.images[imgName].src = imgSrc;
    }
  }
}
var swImg; swImg=new Array;

HpbImgPreload('_HPB_ROLLOVER1', '../img/1g.gif', '../img/1b.gif');
HpbImgPreload('_HPB_ROLLOVER2', '../img/2g.gif', '../img/2b.gif');
HpbImgPreload('_HPB_ROLLOVER3', '../img/3g.gif', '../img/3b.gif');
HpbImgPreload('_HPB_ROLLOVER4', '../img/4g.gif', '../img/4b.gif');
HpbImgPreload('_HPB_ROLLOVER5', '../img/5g.gif', '../img/5b.gif');
HpbImgPreload('_HPB_ROLLOVER6', '../img/bbsa.gif', '../img/bbsb.gif');
HpbImgPreload('_HPB_ROLLOVER7', '../img/cola.gif', '../img/colb.gif');
HpbImgPreload('_HPB_ROLLOVER8', '../img/yougoa.gif', '../img/yougob.gif');
HpbImgPreload('_HPB_ROLLOVER9', '../img/sateia.gif', '../img/sateib.gif');