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];
      }
    }
  }
}


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;
}


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', '../Images/left_8_1.gif', '../Images/left_8_11.gif');
HpbImgPreload('_HPB_ROLLOVER2', '../Images/left_8_2.gif', '../Images/left_8_21.gif');
HpbImgPreload('_HPB_ROLLOVER3', '../Images/left_8_3.gif', '../Images/left_8_31.gif');

HpbImgPreload('_HPB_ROLLOVER4', '../Images/bt_1.gif', '../Images/bt_12.gif');
HpbImgPreload('_HPB_ROLLOVER5', '../Images/bt_2.gif', '../Images/bt_22.gif');
HpbImgPreload('_HPB_ROLLOVER6', '../Images/bt_3.gif', '../Images/bt_32.gif');
HpbImgPreload('_HPB_ROLLOVER7', '../Images/bt_4.gif', '../Images/bt_42.gif');
HpbImgPreload('_HPB_ROLLOVER8', '../Images/bt_5.gif', '../Images/bt_52.gif');

HpbImgPreload('_HPB_ROLLOVER9', '../Images/btn_r_5.gif', '../Images/btn_r_5_1.gif');
HpbImgPreload('_HPB_ROLLOVER10', '../Images/btn_r_6.gif', '../Images/btn_r_6_1.gif');