var img_off = new Array();
var img_on = new Array();

function preload(name,url,url_on){
	img_off[name] = new Image();img_off[name].src = url;
	img_on[name] = new Image();img_on[name].src = url_on;
}

function Mover(num) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[num].src = img_on[num].src;
	}
}

function Mout(num) {
	document.images[num].src = img_off[num].src;
}

function Mover2(num,num2) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[num2].src = img_on[num].src;
	}
}

function Mout2(num,num2) {
	document.images[num2].src = img_off[num].src;
}

//�����j��
preload("left_btn01","img/left_btn01.gif","img/left_btn01_on.gif");
preload("left_btn02","img/left_btn02.gif","img/left_btn02_on.gif");
preload("left_btn03","img/left_btn03.gif","img/left_btn03_on.gif");
preload("left_btn04","img/left_btn04.gif","img/left_btn04_on.gif");
preload("left_btn05","img/left_btn05.gif","img/left_btn05_on.gif");
preload("left_btn06","img/left_btn06.gif","img/left_btn06_on.gif");
preload("left_btn07","img/left_btn07.gif","img/left_btn07_on.gif");
preload("left_btn08","img/left_btn08.gif","img/left_btn08_on.gif");
preload("left_btn09","img/left_btn09.gif","img/left_btn09_on.gif");
preload("left_btn10","img/left_btn10.gif","img/left_btn10_on.gif");
preload("left_btn11","img/left_btn11.gif","img/left_btn11_on.gif");
preload("left_btn12","img/left_btn12.gif","img/left_btn12_on.gif");
preload("left_btn13","img/left_btn13.gif","img/left_btn13_on.gif");
preload("left_btn14","img/left_btn14.gif","img/left_btn14_on.gif");