function totop() {
	var spd=0.9;
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x * spd), Math.floor(y * spd));
  if (x > 0 || y > 0) {
      window.setTimeout("totop()", 10);
  }
}


function popwin(url){
		var page= window.open(url,"popup","width=710,height=730,left=50,top=50,scrollbars=yes,resizable=yes");
		page.focus();
		return false;
}


function pop_win_ssl(url){
		var page= window.open("https://"+url,"popup","width=820,height=690,left=50,top=50,scrollbars=yes,resizable=yes");
		page.focus();
}


new function(){
    function NowHere(){
        if(!document.images){return;}
        var imgs = document.images;
        var insert = [];
        for(var i=0;i<imgs.length;i++){
            var splitname = imgs[i].src.split('_n.');
            if((splitname[1])&&(imgs[i].parentNode.tagName=='A')){
                var rolloverImg = document.createElement('img');
                rolloverImg.src = splitname[0]+'_o.'+splitname[1];
                var alpha = 0;
                insert[insert.length] = {position:imgs[i],element:rolloverImg};
            }
        }
        // ↑で作ったロールオーバー画像を追加
        for(var i=0;i<insert.length;i++){
            var parent = insert[i].position.parentNode;
            parent.insertBefore(insert[i].element,insert[i].position);
        }
    }
//    addEvent(window,'load',NowHere);

}