/* ===�摜�̐��=== */
if(document.images){
	g0 = new Image();g0.src = "img/btn1on_1.gif";
	g1 = new Image();g1.src = "img/btn1on_2.gif";
	g2 = new Image();g2.src = "img/btn1on_3.gif";
}

function btn1on(){
	document.images['btn0'].src = "img/btn1on_1.gif";
	document.images['btn1'].src = "img/btn1on_2.gif";
	document.images['btn2'].src = "img/btn1on_3.gif";
}
function btn1off(){
	document.images['btn0'].src = "img/img_05.gif";
	document.images['btn1'].src = "img/img_06.gif";
	document.images['btn2'].src = "img/img_07.gif";
}
function btn2on(){
	document.images['btn2'].src = "img/btn2on_1.gif";
	document.images['btn3'].src = "img/btn2on_2.gif";
}
function btn2off(){
	document.images['btn2'].src = "img/img_07.gif";
	document.images['btn3'].src = "img/img_08.gif";
}
function btn3on(){
	document.images['btn2'].src = "img/btn3on_1.gif";
	document.images['btn3'].src = "img/btn3on_2.gif";
	document.images['btn4'].src = "img/btn3on_3.gif";
}
function btn3off(){
	document.images['btn2'].src = "img/img_07.gif";
	document.images['btn3'].src = "img/img_08.gif";
	document.images['btn4'].src = "img/img_09.gif";
}
function btn4on(){
	document.images['btn3'].src = "img/btn4on_1.gif";
	document.images['btn4'].src = "img/btn4on_2.gif";
	document.images['btn5'].src = "img/btn4on_3.gif";
}
function btn4off(){
	document.images['btn3'].src = "img/img_08.gif";
	document.images['btn4'].src = "img/img_09.gif";
	document.images['btn5'].src = "img/img_10.gif";
}