//for index bukken bn @ onsale
function bkkodeon(){
    document.bkkode.src="images/index-bk_ap-kodenma.jpg";
}
function bkkodeout(){
    document.bkkode.src="images/index-bk_ap-kodenma.gif";
}
function bkkayaon(){
    document.bkkaya.src="images/index-bk_w-kayaba.jpg";
}
function bkkayaout(){
    document.bkkaya.src="images/index-bk_w-kayaba.gif";
}
function bkfunaon(){
    document.bkfuna.src="images/index-bk_pj-funa.jpg";
}
function bkfunaout(){
    document.bkfuna.src="images/index-bk_pj-funa.gif";
}
function bkgnihoon(){
    document.bkgniho.src="images/index-bk_g-nihonhama.jpg";
}
function bkgnihoout(){
    document.bkgniho.src="images/index-bk_g-nihonhama.gif";
}
function bkmizuon(){
    document.bkmizu.src="images/index-bk_w-mizue.jpg";
}
function bkmizuout(){
    document.bkmizu.src="images/index-bk_w-mizue.gif";
}
function bklnihoon(){
    document.bklniho.src="images/index-bk_l-nihonhama.jpg";
}
function bklnihoout(){
    document.bklniho.src="images/index-bk_l-nihonhama.gif";
}
function bkgsnihoon(){
    document.bkgsniho.src="images/index-bk_gs-nihona.jpg";
}
function bkgsnihoout(){
    document.bkgsniho.src="images/index-bk_gs-nihona.gif";
}
function bkphshinon(){
    document.bkphshin.src="images/index-bk_ph-shin.jpg";
}
function bkphshinout(){
    document.bkphshin.src="images/index-bk_ph-shin.gif";
}

//for index bukken bn @ yotei
function bknishion(){
    document.bknishi.src="images/index-bk_w-nishi.jpg";
}
function bknishiout(){
    document.bknishi.src="images/index-bk_w-nishi.gif";
}
function bkhiga10on(){
    document.bkhiga10.src="images/index-bk_pj-higashi.jpg";
}
function bkhiga10out(){
    document.bkhiga10.src="images/index-bk_pj-higashi.gif";
}
function bkirion(){
    document.bkiri.src="images/index-bk_w-iri.jpg";
}
function bkiriout(){
    document.bkiri.src="images/index-bk_w-iri.gif";
}
function bkshikion(){
    document.bkshiki.src="images/index-bk_w-shiki.jpg";
}
function bkshikiout(){
    document.bkshiki.src="images/index-bk_w-shiki.gif";
}
function bkumeon(){
    document.bkume.src="images/index-bk_w-ume.jpg";
}
function bkumeout(){
    document.bkume.src="images/index-bk_w-ume.gif";
}