var home_on=new Image();
home_on.src="../img/interface/navi_home_a.gif";
var home_off=new Image();
home_off.src="../img/interface/navi_home.gif";


var topics_on=new Image();
topics_on.src="../img/interface/navi_topics_a.gif";
var topics_off=new Image();
topics_off.src="../img/interface/navi_topics.gif";

var know_on=new Image();
know_on.src="../img/interface/navi_know_a.gif";
var know_off=new Image();
know_off.src="../img/interface/navi_know.gif";

var sportscenter_on=new Image();
sportscenter_on.src="../img/interface/navi_sportscenter_a.gif";
var sportscenter_off=new Image();
sportscenter_off.src="../img/interface/navi_sportscenter.gif";

var participation_on=new Image();
participation_on.src="../img/interface/navi_participation_a.gif";
var participation_off=new Image();
participation_off.src="../img/interface/navi_participation.gif";

var events_on=new Image();
events_on.src="../img/interface/navi_events_a.gif";
var events_off=new Image();
events_off.src="../img/interface/navi_events.gif";

var volunteer_on=new Image();
volunteer_on.src="../img/interface/navi_volunteer_a.gif";
var volunteer_off=new Image();
volunteer_off.src="../img/interface/navi_volunteer.gif";

var lets_sports_on=new Image();
lets_sports_on.src="../img/interface/navi_lets_sports_a.gif";
var lets_sports_off=new Image();
lets_sports_off.src="../img/interface/navi_lets_sports.gif";

var album_on=new Image();
album_on.src="../img/interface/navi_album_a.gif";
var album_off=new Image();
album_off.src="../img/interface/navi_album.gif";

var links_on=new Image();
links_on.src="../img/interface/navi_links_a.gif";
var links_off=new Image();
links_off.src="../img/interface/navi_links.gif";

var corporation_on=new Image();
corporation_on.src="../img/interface/btn_corporation_a.gif";
var corporation_off=new Image();
corporation_off.src="../img/interface/btn_corporation.gif";

var access_on=new Image();
access_on.src="../img/interface/btn_access_a.gif";
var access_off=new Image();
access_off.src="../img/interface/btn_access.gif";

var synthesis_center_on=new Image();
synthesis_center_on.src="../img/interface/bnr_synthesis_center_a.jpg";
var synthesis_center_off=new Image();
synthesis_center_off.src="../img/interface/bnr_synthesis_center.jpg";

var tama_center_on=new Image();
tama_center_on.src="../img/interface/bnr_tama_center_a.jpg";
var tama_center_off=new Image();
tama_center_off.src="../img/interface/bnr_tama_center.jpg";

var kyougikai_on=new Image();
kyougikai_on.src="../img/interface/bnr_kyougikai_a.jpg";
var kyougikai_off=new Image();
kyougikai_off.src="../img/interface/bnr_kyougikai.jpg";