bshop='NO';
bpos='NO';

function enton(shop,pos){
if(bshop!=shop && bpos!=pos){
document.getElementById('idx_'+shop+'_u').src=image_u[shop].src;
document.getElementById('idx_'+shop+'_d').src=image_d[shop].src;
}
bshop=shop;
bpos=pos;
}
function entoff(shop,pos){
if(bshop!=shop || bpos==pos){
document.getElementById('idx_'+bshop+'_u').src='img2/idx_btorg_'+bshop+'_off_u.gif';
document.getElementById('idx_'+bshop+'_d').src='img2/idx_btorg_'+bshop+'_off_d.gif';
bshop='NO';
bpos='NO';
}
}


var image_u= new Array();
image_u['ebisu']=new Image();
image_u['ebisu'].src='img2/idx_btorg_ebisu_on_u.gif';
image_u['shinjyuku']=new Image();
image_u['shinjyuku'].src='img2/idx_btorg_shinjyuku_on_u.gif';
image_u['siodome']=new Image();
image_u['siodome'].src='img2/idx_btorg_siodome_on_u.gif';
var image_d= new Array();
image_d['ebisu']=new Image();
image_d['ebisu'].src='img2/idx_btorg_ebisu_on_d.gif';
image_d['shinjyuku']=new Image();
image_d['shinjyuku'].src='img2/idx_btorg_shinjyuku_on_d.gif';
image_d['siodome']=new Image();
image_d['siodome'].src='img2/idx_btorg_siodome_on_d.gif';