//Japanese page localnavi preload image

img01_on=new Image();
img01_on.src="images/ja/products_btn_on.jpg";
img01_off=new Image();
img01_off.src="images/ja/products_btn_off.jpg";

img02_on=new Image();
img02_on.src="images/ja/catalog_btn_on.jpg";
img02_off=new Image();
img02_off.src="images/ja/catalog_btn_off.jpg";

img03_on=new Image();
img03_on.src="images/ja/contact_btn_on.jpg";
img03_off=new Image();
img03_off.src="images/ja/contact_btn_off.jpg";

img04_on=new Image();
img04_on.src="images/ja/company_btn_on.jpg";
img04_off=new Image();
img04_off.src="images/ja/company_btn_off.jpg";

img05_on=new Image();
img05_on.src="images/ja/ecology_btn_on.jpg";
img05_off=new Image();
img05_off.src="images/ja/ecology_btn_off.jpg";

function products_on() {
  document.img01.src=img01_on.src;
}
function products_off() {
  document.img01.src=img01_off.src;
}

function catalog_on() {
  document.img02.src=img02_on.src;
}
function catalog_off() {
  document.img02.src=img02_off.src;
}

function contact_on() {
  document.img03.src=img03_on.src;
}
function contact_off() {
  document.img03.src=img03_off.src;
}

function company_on() {
  document.img04.src=img04_on.src;
}
function company_off() {
  document.img04.src=img04_off.src;
}
function ecology_on() {
  document.img05.src=img05_on.src;
}
function ecology_off() {
  document.img05.src=img05_off.src;
}