//outline
var img01 = new Image();
var img02 = new Image();
img01.src = "./img/company_button_o_outline.gif";
img02.src = "./img/company_button_u_outline.gif";
function outline01(){document.img01.src=img01.src;}
function outline02(){document.img01.src=img02.src;}

//map
var img03 = new Image();
var img04 = new Image();
img03.src = "./img/company_button_o_map.gif";
img04.src = "./img/company_button_u_map.gif";
function map01(){document.img03.src=img03.src;}
function map02(){document.img03.src=img04.src;}

//concept
var img05 = new Image();
var img06 = new Image();
img05.src = "./img/showroom_button_o_concept.gif";
img06.src = "./img/showroom_button_u_concept.gif";
function concept01(){document.img05.src=img05.src;}
function concept02(){document.img05.src=img06.src;}

//explain
var img07 = new Image();
var img08 = new Image();
img07.src = "./img/showroom_button_o_explain.gif";
img08.src = "./img/showroom_button_u_explain.gif";
function explain01(){document.img07.src=img07.src;}
function explain02(){document.img07.src=img08.src;}

//exhibit
var img09 = new Image();
var img10 = new Image();
img09.src = "./img/showroom_button_o_exhibit.gif";
img10.src = "./img/showroom_button_u_exhibit.gif";
function exhibit01(){document.img09.src=img09.src;}
function exhibit02(){document.img09.src=img10.src;}

//apply
var img11 = new Image();
var img12 = new Image();
img11.src = "./img/showroom_button_o_apply.gif";
img12.src = "./img/showroom_button_u_apply.gif";
function apply01(){document.img11.src=img11.src;}
function apply02(){document.img11.src=img12.src;}

//inquiry
var img13 = new Image();
var img14 = new Image();
img13.src = "./img/inquiry_button_o.gif";
img14.src = "./img/inquiry_button_u.gif";
function inquiry01(){document.img13.src=img13.src;}
function inquiry02(){document.img13.src=img14.src;}