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("menu1","common/img/btn-top.gif","common/img/btn-top-o.gif");
preload("menu2","common/img/btn-company.gif","common/img/btn-company-o.gif");
preload("menu3","common/img/btn-recruite.gif","common/img/btn-recruite-o.gif");
preload("menu4","common/img/btn-contact.gif","common/img/btn-contact-o.gif");
preload("menu5","common/img/btn-newinfo.jpg","common/img/btn-newinfo-o.jpg");
preload("menu6","common/img/btn-openhouse.jpg","common/img/btn-openhouse-o.jpg");
preload("menu7","common/img/btn-article.jpg","common/img/btn-article-o.jpg");
preload("menu8","common/img/btn-auction.jpg","common/img/btn-auction-o.jpg");
preload("menu9","common/img/btn-roan.jpg","common/img/btn-roan-o.jpg");
preload("menu10","common/img/btn-webmaga.jpg","common/img/btn-webmaga-o.jpg");


//banner
preload("banner1","img/banner-article.jpg","img/banner-article-o.jpg");
preload("banner2","img/banner-auction.jpg","img/banner-auction-o.jpg");
preload("banner3","img/banner-roan.jpg","img/banner-roan-o.jpg");
preload("banner4","img/banner-webmagazine.jpg","img/banner-webmagazine-o.jpg");