// Button RoolOver JavaScript Document
<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		indexup_toroku_o = newImage("img/indexup_toroku_o.jpg");
		indexup_downld_o = newImage("img/indexup_downld_o.jpg");
		indexup_promov_o = newImage("img/indexup_promov_o.jpg");
		indexbtm_about_o = newImage("img/indexbtm_about_o.jpg");
		indexbtm_online_o = newImage("img/indexbtm_online_o.jpg");
		indexbtm_play_o = newImage("img/indexbtm_play_o.jpg");
		indexbtm_anim_o = newImage("img/indexbtm_anim_o.jpg");
		indexbtm_prom_o = newImage("img/indexbtm_prom_o.jpg");
		indexbtm_member_o = newImage("img/indexbtm_member_o.jpg");
		indexbtm_ani_site_o = newImage("img/indexbtm_ani-site_o.jpg");
		preloadFlag = true;
	}
}

// -->