<!--
if(document.images) {
	var imgs = new Array();
	imgs[1] = new Image();	imgs[1].src = "img/bt_home_on.gif"; 
	imgs[2] = new Image();	imgs[2].src = "img/bt_home_ov.gif"; 
	imgs[3] = new Image();	imgs[3].src = "img/bt_intro_on.gif"; 
	imgs[4] = new Image();	imgs[4].src = "img/bt_intro_ov.gif"; 
	imgs[5] = new Image();	imgs[5].src = "img/bt_comment_on.gif"; 
	imgs[6] = new Image();	imgs[6].src = "img/bt_comment_ov.gif"; 
	imgs[7] = new Image();	imgs[7].src = "img/bt_arasuzi_on.gif"; 
	imgs[8] = new Image();	imgs[8].src = "img/bt_arasuzi_ov.gif"; 
	imgs[9] = new Image();	imgs[9].src = "img/bt_message_on.gif"; 
	imgs[10] = new Image();	imgs[10].src = "img/bt_message_ov.gif";
	imgs[11] = new Image();	imgs[11].src = "img/bt_jidai_on.gif"; 
	imgs[12] = new Image();	imgs[12].src = "img/bt_jidai_ov.gif"; 
	imgs[13] = new Image();	imgs[13].src = "img/bt_stuff_on.gif"; 
	imgs[14] = new Image();	imgs[14].src = "img/bt_stuff_ov.gif"; 
	imgs[15] = new Image();	imgs[15].src = "img/bt_back_on.gif"; 
	imgs[16] = new Image();	imgs[16].src = "img/bt_back_ov.gif"; 
	imgs[17] = new Image();	imgs[17].src = "img/ibt_boshu_on.gif"; 
	imgs[18] = new Image();	imgs[18].src = "img/ibt_boshu_ov.gif"; 
	imgs[19] = new Image();	imgs[19].src = "img/ibt_shoutai_on.gif"; 
	imgs[20] = new Image();	imgs[20].src = "img/ibt_shoutai_ov.gif"; 
	imgs[21] = new Image();	imgs[21].src = "img/ibt_hatsubai_on.gif"; 
	imgs[22] = new Image();	imgs[22].src = "img/ibt_hatsubai_ov.gif"; 
}

function chgimg(id, imgname) {
	if(document.images) {
		if(imgs[imgname]) {
			document.images[id].src = imgs[imgname].src;
		}
	else {
		document.images[id].src = imgname;
		}
	}
}
// -->