function button1(){
document.getElementById('menu1')
.setAttribute('src','index/menu11.gif');
}
function buttonout1(){
document.getElementById('menu1')
.setAttribute('src','index/menu1.gif');
}

function button2(){
document.getElementById('menu2')
.setAttribute('src','index/menu22.gif');
}
function buttonout2(){
document.getElementById('menu2')
.setAttribute('src','index/menu2.gif');
}
function button3(){
document.getElementById('menu3')
.setAttribute('src','index/menu33.gif');
}
function buttonout3(){
document.getElementById('menu3')
.setAttribute('src','index/menu3.gif');
}
function button4(){
document.getElementById('menu4')
.setAttribute('src','index/menu44.gif');
}
function buttonout4(){
document.getElementById('menu4')
.setAttribute('src','index/menu4.gif');
}

function button5(){
document.getElementById('menu5')
.setAttribute('src','index/menu55.gif');
}
function buttonout5(){
document.getElementById('menu5')
.setAttribute('src','index/menu5.gif');
}

function button6(){
document.getElementById('menu6')
.setAttribute('src','index/menu66.gif');
}
function buttonout6(){
document.getElementById('menu6')
.setAttribute('src','index/menu6.gif');
}

function button7(){
document.getElementById('menu7')
.setAttribute('src','index/menu77.gif');
}
function buttonout7(){
document.getElementById('menu7')
.setAttribute('src','index/menu7.gif');
}

function button8(){
document.getElementById('menu8')
.setAttribute('src','index/menu88.gif');
}
function buttonout8(){
document.getElementById('menu8')
.setAttribute('src','index/menu8.gif');
}

function button9(){
document.getElementById('menu9')
.setAttribute('src','index/menu99.gif');
}
function buttonout9(){
document.getElementById('menu9')
.setAttribute('src','index/menu9.gif');
}

function button10(){
document.getElementById('menu10')
.setAttribute('src','index/menu100.gif');
}
function buttonout10(){
document.getElementById('menu10')
.setAttribute('src','index/menu10.gif');
}