function aobaImgPreload()
{
  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 = aobaImgPreload.arguments[0];
      var cnt;
      swImg[imgName] = new Array;
      for (cnt = 1; cnt < aobaImgPreload.arguments.length; cnt++)
      {
        swImg[imgName][aobaImgPreload.arguments[cnt]] = new Image();
        swImg[imgName][aobaImgPreload.arguments[cnt]].src = aobaImgPreload.arguments[cnt];
      }
    }
  }
}
// aobaImgFind:
//
function aobaImgFind(doc, imgName)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var img = doc.layers[i].document.images[imgName];
    if (!img) img = aobaImgFind(doc.layers[i], imgName);
    if (img) return img;
  }
  return null;
}
// aobaImgSwap:
//
function aobaImgSwap(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 = aobaImgFind(document, imgName);
      if (img) img.src = imgSrc;
    }
  }
}
var swImg; swImg=new Array;




aobaImgPreload('R_O', 'img/kagikoukan_b.gif', 'img/koukan.jpg');
aobaImgPreload('R_O_2', 'img/kaijyou_b.gif', 'img/kaijyo.jpg');
aobaImgPreload('R_O_3', 'img/kaginasi_b.gif', 'img/kaginasi.jpg');
aobaImgPreload('R_O_4', 'img/sonota_b.gif', 'img/sonota.jpg');
aobaImgPreload('R_O_5', 'img/top_b.gif', 'img/top.jpg');




function subWin(wurl,wname,woption)
{
	window.open(wurl,wname,woption);




  function setScroll()
{
    setTimeout("setScroll()",1000);
}
}