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;
}
//topmenu
preload("about","images/menu_about.jpg","images/menu_about_o.jpg");
preload("photo","images/menu_photo.jpg","images/menu_photo_o.jpg");
preload("walk","images/menu_walk.jpg","images/menu_walk_o.jpg");
preload("links","images/menu_links.gif","images/menu_links_o.gif");
preload("bbs","images/menu_bbs.gif","images/menu_bbs_o.gif");
preload("mail","images/menu_mail.gif","images/menu_mail_o.gif");

//about
preload("main02","images_about/main_02.jpg","images_about/main_02_o.jpg");
preload("main03","images_about/main_03.jpg","images_about/main_03_o.jpg");
preload("main04","images_about/main_04.jpg","images_about/main_04_o.jpg");
preload("main05","images_about/main_05.jpg","images_about/main_05_o.jpg");
preload("main06","images_about/main_06.jpg","images_about/main_06_o.jpg");
preload("main07","images_about/main_07.jpg","images_about/main_07_o.jpg");