if (document.images) {
  top_on        = new Image(92, 24);
  top_on.src    = "http://www.osa-p.net/image/top_on.gif";
  top_off       = new Image(92, 24);
  top_off.src   = "http://www.osa-p.net/image/top_off.gif";

  soft_on       = new Image(92, 24);
  soft_on.src   = "http://www.osa-p.net/image/soft_on.gif";
  soft_off      = new Image(92, 24);
  soft_off.src  = "http://www.osa-p.net/image/soft_off.gif";

  bbssoft_on       = new Image(92, 24);
  bbssoft_on.src   = "http://www.osa-p.net/image/bbssoft_on.gif";
  bbssoft_off      = new Image(92, 24);
  bbssoft_off.src  = "http://www.osa-p.net/image/bbssoft_off.gif";

  bbs_on        = new Image(92, 24);
  bbs_on.src    = "http://www.osa-p.net/image/bbs_on.gif";
  bbs_off       = new Image(92, 24);
  bbs_off.src   = "http://www.osa-p.net/image/bbs_off.gif";

  memo_on       = new Image(92, 24);
  memo_on.src   = "http://www.osa-p.net/image/memo_on.gif";
  memo_off      = new Image(92, 24);
  memo_off.src  = "http://www.osa-p.net/image/memo_off.gif";

  diary_on      = new Image(92, 24);
  diary_on.src  = "http://www.osa-p.net/image/diary_on.gif";
  diary_off     = new Image(92, 24);
  diary_off.src = "http://www.osa-p.net/image/diary_off.gif";

  link_on       = new Image(92, 24);
  link_on.src   = "http://www.osa-p.net/image/link_on.gif";
  link_off      = new Image(92, 24);
  link_off.src  = "http://www.osa-p.net/image/link_off.gif";
}

/*--------------------------------------------------------
  画像差し替え
--------------------------------------------------------*/
function img_chg(img, src) {
  img.src = src.src;
}

/*--------------------------------------------------------
  画像差し替え
--------------------------------------------------------*/
function u_fChangeImage(img, src) {
  img.src = src.src;
}

/*--------------------------------------------------------
  各ページログ取り
--------------------------------------------------------*/
function log(pg) {
  var a = "&&";
  var pf = navigator.platform + a; var lng = navigator.language + a;
  var swh = screen.width + "x" + screen.height + a;
  var cd = screen.colorDepth + a; var pd = screen.pixelDepth + a;
  var rf = document.referrer;
  document.write("<img src='http://www.osa-p.net/indexlog/dcw.cgi?");
  document.write("pg="+pg+a+"pf="+pf+"lng="+lng+"swh="+swh+"cd="+cd+"pd="+pd+"rf="+rf);
  document.write("' width=1 height=1 alt='' border=0>");
  document.close();
  //if (top.location.href.indexOf("images.google") == -1) && (top.location.href != self.location.href) top.location.href=self.location.href;
  if (top.location.href != self.location.href) top.location.href=self.location.href;
}

/*--------------------------------------------------------
  amazonリンク
--------------------------------------------------------*/
function amazon_link(asin) {
  window.open("http://www.amazon.co.jp/gp/product/" + asin + "?ie=UTF8&tag=osaswebroom-22&linkCode=as2&camp=247&creative=7399&creativeASIN=" + asin, "_blank");
}

/*--------------------------------------------------------
  XMLHTTPオブジェクト作成
--------------------------------------------------------*/
function c_fCreateXMLHTTPObject() {
  var xmlhttp = null;

  try {
    xmlhttp = new ActiveXObject( "Msxml2.XMLHTTP" );
  } catch ( e ) {
    try {
      xmlhttp = new ActiveXObject( "Microsoft.XMLHTTP" );
    } catch ( e ) {
      xmlhttp = false;
    }
  }
  if ( !xmlhttp && typeof XMLHttpRequest != 'undefined' ) {
    xmlhttp = new XMLHttpRequest();
  }

  return xmlhttp;
}