Image1 = new Image();
Image1.src="../images/b_home_on.gif";
Image2 = new Image();
Image2.src="../images/b_contactus_on.gif";
Image3 = new Image();
Image3.src="../images/b_map_on.gif";
Image4 = new Image();
Image4.src="../images/b_links_on.gif";
Image5 = new Image();
Image5.src="../images/b_sitemap_on.gif";
Image6 = new Image();
Image6.src="../images/b_japanese_on.gif";
Image7 = new Image();
Image7.src="../images/b_english_on.gif";

Navi01Image = new Image();
Navi01Image.src="../images/m_areas_on.gif";
Navi02Image = new Image();
Navi02Image.src="../images/m_aboutus_on.gif";

subA01Image = new Image();
subA01Image.src="../images/m_president_on.png";
subA02Image = new Image();
subA02Image.src="../images/m_company_on.png";
subA03Image = new Image();
subA03Image.src="../images/m_awards_on.png";
subA04Image = new Image();
subA04Image.src="../images/m_history_on.png";



pageTop = new Image();
pageTop.src="../images/b_pagetop_on.gif";

fImage1 = new Image();
fImage1.src="../images/b_home02_on.gif";
fImage2 = new Image();
fImage2.src="../images/b_contactus02_on.gif";
fImage3 = new Image();
fImage3.src="../images/b_map02_on.gif";
fImage4 = new Image();
fImage4.src="../images/b_links02_on.gif";
fImage5 = new Image();
fImage5.src="../images/b_sitemap02_on.gif";
fImage6 = new Image();
fImage6.src="../images/b_japanese02_on.gif";
fImage7 = new Image();
fImage7.src="../images/b_english02_on.gif";


function cngimg(n){
	var imgsrc = document.images[n].src;
	var ext = imgsrc.substring(imgsrc.lastIndexOf("."), imgsrc.length);
	
	if(imgsrc.indexOf("_on") < 0){
		document.images[n].src=imgsrc.substring(0,imgsrc.length-ext.length) + "_on" + ext;
	}
	else{
		document.images[n].src=imgsrc.substring(0,imgsrc.length-ext.length-3) + ext;
	}
}