var appVer = parseInt(navigator.appVersion);
var IsIE = (document.all    && (appVer >= 4));
var IsNN = (document.layers && (appVer >= 4));
var rollOverImages;
rollOverImages = new Array;
function WMLoadImage( imageName,offImage,onImage )
{
  if ( IsIE || IsNN ) {
    rollOverImages[imageName] = new Array;
    rollOverImages[imageName][0]     = new Image();
    rollOverImages[imageName][0].src = offImage;
    rollOverImages[imageName][1]     = new Image();
    rollOverImages[imageName][1].src = onImage;
  }
}
function WMChangeImage( imageName,kind )
{
  if ( IsIE || IsNN ) {
    document.images[imageName].src = rollOverImages[imageName][kind].src;
  }
}

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('WM_ROLLOVER000', 'japanesetopsilver.gif', 'japanesetopyellow.gif');
HpbImgPreload('WM_ROLLOVER002', 'tsubarekishisilver.gif', 'tsubarekishiyellow.gif');
HpbImgPreload('WM_ROLLOVER003', 'shohincatalogsilver.gif', 'shohincatalogyellow.gif');
HpbImgPreload('WM_ROLLOVER004', 'konyuhouhousilver.gif', 'konyuhouhouyellow.gif');
HpbImgPreload('WM_ROLLOVER005', 'yogokaisetsusilver.gif', 'yogokaisetsuyellow.gif');
HpbImgPreload('WM_ROLLOVER006', 'galleryjapanesesilver.gif', 'galleryjapaneseyellow.gif');
HpbImgPreload('WM_ROLLOVER007', 'yokuarushitsumonsilver.gif', 'yokuarushitsumonyellow.gif');
HpbImgPreload('WM_ROLLOVER008', 'kaishajohosilver.gif', 'kaishajohoyellow.gif');
HpbImgPreload('WM_ROLLOVER009', 'ContactUsSilver.gif', 'ContactUsYellow.gif');