if (navigator.appVersion > "3") {

	
	img1 = new Image(); img1.src = "images/hdnavi_home.gif";
	img2 = new Image(); img2.src = "images/hdnavi_home_on.gif";
	
	img3 = new Image(); img3.src = "images/hdnavi_info.gif";
	img4 = new Image(); img4.src = "images/hdnavi_info_on.gif";
	
	img5 = new Image(); img5.src = "images/hdnavi_mypage.gif";
	img6 = new Image(); img6.src = "images/hdnavi_mypage_on.gif";
	
	img7 = new Image(); img7.src = "images/hdnavi_regist.gif";
	img8 = new Image(); img8.src = "images/hdnavi_regist_on.gif";
	
	img9 = new Image(); img9.src = "images/hdnavi_ask.gif";
	img10 = new Image(); img10.src = "images/hdnavi_ask_on.gif";

}

function imgChange(imgName,imgNum) {
                    if (navigator.appVersion > "3") {
                    document.images[imgName].src = eval(imgNum + ".src");
		}
}