if (document.images) {

on_top_img = new Image();on_top_img.src = '../img/top_on.gif';
on_order_img = new Image();on_order_img.src = '../img/order_on.gif';
on_onajimi_img = new Image();on_onajimi_img.src = '../img/onajimi_on.gif';
on_season_img = new Image();on_season_img.src = '../img/season_on.gif';
on_mess_img = new Image();on_mess_img.src = '../img/mess_on.gif';
on_room_img = new Image();on_room_img.src = '../img/room_on.gif';
on_kama_img = new Image();on_kama_img.src = '../img/kama_on.gif';

off_top_img = new Image();off_top_img.src = '../img/top_off.gif';
off_order_img = new Image();off_order_img.src = '../img/order_off.gif';
off_onajimi_img = new Image();off_onajimi_img.src = '../img/onajimi_off.gif';
off_season_img = new Image();off_season_img.src = '../img/season_off.gif';
off_mess_img = new Image();off_mess_img.src = '../img/mess_off.gif';
off_room_img = new Image();off_room_img.src = '../img/room_off.gif';
off_kama_img = new Image();off_kama_img.src = '../img/kama_off.gif';
}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

<!--
var HELPWin=null;//サブウインドウ
var HELPHref1="";//読み込むページ

	function HelpWinOpen_v(HELPHref1,WinNo,W,H){
		HELPWin=window.open(HELPHref1,WinNo,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width='+W+',height='+H+'');

		//N2.0バグ回避用リピート
		if(navigator.appVersion.charAt(0)==2){
		HELPWin=window.open(HELPHref1,WinNo,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width='+W+',height='+H+'');}

		//サブウインドウが開いたとき前面へフォーカスする。NN3.0~
		if(navigator.appVersion.charAt(0)>=3){HELPWin.focus()}
	};
//-->