var kodawari_on=new Image();
kodawari_on.src="../img/interface/btn_kodawari_a.gif";
var kodawari_off=new Image();
kodawari_off.src="../img/interface/btn_kodawari.gif";
var flow_on=new Image();
flow_on.src="../img/interface/btn_flow_a.gif";
var flow_off=new Image();
flow_off.src="../img/interface/btn_flow.gif";
var example_on=new Image();
example_on.src="../img/interface/btn_example_a.gif";
var example_off=new Image();
example_off.src="../img/interface/btn_example.gif";
var magazine_on=new Image();
magazine_on.src="../img/interface/btn_magazine_a.gif";
var magazine_off=new Image();
magazine_off.src="../img/interface/btn_magazine.gif";
var hint_on=new Image();
hint_on.src="../img/interface/btn_hint_a.gif";
var hint_off=new Image();
hint_off.src="../img/interface/btn_hint.gif";
var recruit_on=new Image();
recruit_on.src="../img/interface/btn_recruit_a.gif";
var recruit_off=new Image();
recruit_off.src="../img/interface/btn_recruit.gif";