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_ROLLOVER5', 'image/shoplist.gif', 'image/shoplist1.gif');
HpbImgPreload('_HPB_ROLLOVER1', 'image/shopping2.gif', 'image/shopping3.gif');
HpbImgPreload('_HPB_ROLLOVER2', 'image/pageoriginal.gif', 'image/pageoriginal1.gif');
HpbImgPreload('_HPB_ROLLOVER3', 'image/pagetokka.gif', 'image/pagetokka1.gif');
HpbImgPreload('_HPB_ROLLOVER4', 'image/pagehome.gif', 'image/pagehome1.gif');
HpbImgPreload('_HPB_ROLLOVER7', 'image/pagecity.gif', 'image/pagecity1.gif');
HpbImgPreload('_HPB_ROLLOVER8', 'image/pageschool.gif', 'image/pageschool1.gif');
HpbImgPreload('_HPB_ROLLOVER9', 'image/pageoshare.gif', 'image/pageoshare1.gif');
HpbImgPreload('_HPB_ROLLOVER10', 'image/pagekodomo.gif', 'image/pagekodomo1.gif');
HpbImgPreload('_HPB_ROLLOVER11', 'image/pagekodomonose.gif', 'image/pagekodomonose1.gif');
HpbImgPreload('_HPB_ROLLOVER12', 'image/pagetyuko.gif', 'image/pagetyuko1.gif');
HpbImgPreload('_HPB_ROLLOVER6', 'image/netshop.gif', 'image/netshop1.gif');
HpbImgPreload('_HPB_ROLLOVER13', 'image/pagedendo.gif', 'image/pagedendo1.gif');

function JumpToURL(form)
{
        var IndexName = form.menu_1.selectedIndex;
        var url= form.menu_1.options[IndexName].value;
        if (url != "-") location.href = url;
}