if(navigator.appVersion.charAt(0) >= 3) {
	var topImageBtn = new Array();
	topImageBtn[0] = new Image();
	topImageBtn[0].src = "images/top_image_btn_001.jpg";
	topImageBtn[1] = new Image();
	topImageBtn[1].src = "images/top_image_btn_001_over.jpg";
	topImageBtn[2] = new Image();
	topImageBtn[2].src = "images/top_image_btn_002.jpg";
	topImageBtn[3] = new Image();
	topImageBtn[3].src = "images/top_image_btn_002_over.jpg";
	topImageBtn[4] = new Image();
	topImageBtn[4].src = "images/top_image_btn_003.jpg";
	topImageBtn[5] = new Image();
	topImageBtn[5].src = "images/top_image_btn_003_over.jpg";

	var topBtn = new Array();
	topBtn[0] = new Image();
	topBtn[0].src = "images/top_information_btn.gif";
	topBtn[1] = new Image();
	topBtn[1].src = "images/top_information_btn_over.gif";
	topBtn[2] = new Image();
	topBtn[2].src = "images/top_pickup_btn.gif";
	topBtn[3] = new Image();
	topBtn[3].src = "images/top_pickup_btn_over.gif";
}

function topImageBtnOver(nam, num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = topImageBtn[num].src;
	}
}

function topOver(nam, num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = topBtn[num].src;
	}
}