//画像ロード

	var img = new Array();
	img[0] = new Image();  img[0].src = "../img/nav_pur_on.jpg";
	img[1] = new Image();  img[1].src = "../img/nav_sel_on.jpg";
	img[2] = new Image();  img[2].src = "../img/nav_inf_on.jpg";
	img[3] = new Image();  img[3].src = "../img/nav_cho_on.jpg";
	img[4] = new Image();  img[4].src = "../img/nav_obj_on.jpg";
	img[5] = new Image();  img[5].src = "../img/nav_col_on.jpg";


//リンク関数
	function overevent(n){
		imgname="../img/nav_" + n + "_on.jpg";
		document.images["nav_" + n].src=imgname;
	}
	function outevent(n){
		imgname="../img/nav_" + n + "_of.jpg";
		document.images["nav_" + n].src=imgname;
	}