function buttonY(){
document.getElementById('yoyaku')
.setAttribute('src','info/yoyaku2.gif');
}
function buttonoutY(){
document.getElementById('yoyaku')
.setAttribute('src','info/yoyaku.gif');
}
function buttonY2(){
document.getElementById('yoyaku2')
.setAttribute('src','sisetu/yoyaku2.gif');
}
function buttonoutY2(){
document.getElementById('yoyaku2')
.setAttribute('src','sisetu/yoyaku.gif');
}
function buttonF(){
document.getElementById('fax')
.setAttribute('src','info/fax2.gif');
}
function buttonoutF(){
document.getElementById('fax')
.setAttribute('src','info/fax.gif');
}