function button1(){
document.getElementById('ta1')
.setAttribute('src','sisetu/taiken-t1g.gif');
}
function buttonout1(){
document.getElementById('ta1')
.setAttribute('src','sisetu/taiken-t1.gif');
}
function button2(){
document.getElementById('yoyaku')
.setAttribute('src','sisetu/yoyaku2.gif');
}
function buttonout2(){
document.getElementById('yoyaku')
.setAttribute('src','sisetu/yoyaku.gif');
}
function button3(){
document.getElementById('yoyaku2')
.setAttribute('src','sisetu/mayu-t2.gif');
}
function buttonout3(){
document.getElementById('yoyaku2')
.setAttribute('src','sisetu/mayu-t.gif');
}
function button4(){
document.getElementById('sakuhin')
.setAttribute('src','index/bana5-s.jpg');
}
function buttonout4(){
document.getElementById('sakuhin')
.setAttribute('src','index/bana5.jpg');
}
function button5(){
document.getElementById('mayu')
.setAttribute('src','taiken/mayu-1.jpg');
}
function buttonout5(){
document.getElementById('mayu')
.setAttribute('src','taiken/mayu.jpg');
}