function gazou(){
document.myimg.src="common/main_photo00.jpg";
}

function gazou1(){
document.myimg.src="common/main_photo01.jpg";
}

function gazou2(){
document.myimg.src="common/main_photo02.jpg";
}

function gazou3(){
document.myimg.src="common/main_photo03.jpg";
}

function gazou4(){
document.myimg.src="common/main_photo04.jpg";
}

function gazou5(){
document.myimg.src="common/main_photo05.jpg";
}