//ご挨拶
var img01 = new Image();
var img02 = new Image();
img01.src = "./img/button_o_goaisatsu.gif";
img02.src = "./img/button_u_goaisatsu.gif";
function goaisatsu01(){document.img01.src=img01.src;}
function goaisatsu02(){document.img01.src=img02.src;}

//会社案内
var img03 = new Image();
var img04 = new Image();
img03.src = "./img/button_o_kaisyaannai.gif";
img04.src = "./img/button_u_kaisyaannai.gif";
function kaisyaannai01(){document.img03.src=img03.src;}
function kaisyaannai02(){document.img03.src=img04.src;}

//業務案内
var img05 = new Image();
var img06 = new Image();
img05.src = "./img/button_o_gyoumuannai.gif";
img06.src = "./img/button_u_gyoumuannai.gif";
function gyoumuannai01(){document.img05.src=img05.src;}
function gyoumuannai02(){document.img05.src=img06.src;}

//納入実績
var img07 = new Image();
var img08 = new Image();
img07.src = "./img/button_o_nounyuujisseki.gif";
img08.src = "./img/button_u_nounyuujisseki.gif";
function nounyuujisseki01(){document.img07.src=img07.src;}
function nounyuujisseki02(){document.img07.src=img08.src;}

//仕入れ先
var img09 = new Image();
var img10 = new Image();
img09.src = "./img/button_o_shiiresaki.gif";
img10.src = "./img/button_u_shiiresaki.gif";
function shiiresaki01(){document.img09.src=img09.src;}
function shiiresaki02(){document.img09.src=img10.src;}

//採用情報
var img11 = new Image();
var img12 = new Image();
img11.src = "./img/button_o_saiyoujyouhou.gif";
img12.src = "./img/button_u_saiyoujyouhou.gif";
function saiyoujyouhou01(){document.img11.src=img11.src;}
function saiyoujyouhou02(){document.img11.src=img12.src;}

//お問い合せ
var img13 = new Image();
var img14 = new Image();
img13.src = "./img/button_o_otoiawase.gif";
img14.src = "./img/button_u_otoiawase.gif";
function otoiawase01(){document.img13.src=img13.src;}
function otoiawase02(){document.img13.src=img14.src;}