if(document.images) {
	var imgs = new Array();

	imgs[01] = new Image();  imgs[01].src = "img/c_hmenu01.jpg";
	imgs[02] = new Image();  imgs[02].src = "img/c_hmenu01_o.jpg";
	imgs[03] = new Image();  imgs[03].src = "img/c_hmenu02.jpg";
	imgs[04] = new Image();  imgs[04].src = "img/c_hmenu02_o.jpg";
	imgs[05] = new Image();  imgs[05].src = "img/c_hmenu03.jpg";
	imgs[06] = new Image();  imgs[06].src = "img/c_hmenu03_o.jpg";
	imgs[09] = new Image();  imgs[09].src = "img/c_hmenu05.jpg";
	imgs[10] = new Image();  imgs[10].src = "img/c_hmenu05_o.jpg";

	imgs[11] = new Image();  imgs[11].src = "img/c_fmenu01.gif";
	imgs[12] = new Image();  imgs[12].src = "img/c_fmenu01_o.gif";
	imgs[13] = new Image();  imgs[13].src = "img/c_fmenu02.gif";
	imgs[14] = new Image();  imgs[14].src = "img/c_fmenu02_o.gif";


	imgs[21] = new Image();  imgs[21].src = "img/top_japanese.gif";
	imgs[22] = new Image();  imgs[22].src = "img/top_japanese_o.gif";

	imgs[33] = new Image();  imgs[33].src = "img/top_company.gif";
	imgs[34] = new Image();  imgs[34].src = "img/top_company.gif";
	imgs[35] = new Image();  imgs[35].src = "img/top_business.gif";
	imgs[36] = new Image();  imgs[36].src = "img/top_business.gif";
	imgs[37] = new Image();  imgs[37].src = "img/top_ir.gif";
	imgs[38] = new Image();  imgs[38].src = "img/top_ir.gif";
	
	imgs[41] = new Image();  imgs[41].src = "img/top_arrow01.gif";
	imgs[42] = new Image();  imgs[42].src = "img/top_arrow01_o.gif";
	imgs[43] = new Image();  imgs[43].src = "img/top_arrow02.gif";
	imgs[44] = new Image();  imgs[44].src = "img/top_arrow02_o.gif";


}
function chimg(id, imgname) {
	if(document.images) {
		if(imgs[imgname]) {
			document.images[id].src = imgs[imgname].src;
		}else {
			document.images[id].src = imgname;
		}
	}
}