if(navigator.appVersion.charAt(0) >= 3) {
        var img = new Array();
        img[0] = new Image(); img[0].src = "images/common/hd_fm01.jpg";
        img[1] = new Image(); img[1].src = "images/common/hd_fm02.jpg";

        img[2] = new Image(); img[2].src = "images/common/hd_mp01.jpg";
        img[3] = new Image(); img[3].src = "images/common/hd_mp02.jpg";
		
		img[4] = new Image(); img[4].src = "images/common/hd_lk01.jpg";
        img[5] = new Image(); img[5].src = "images/common/hd_lk02.jpg";
		
		img[6] = new Image(); img[6].src = "images/common/nav_au01.gif";
        img[7] = new Image(); img[7].src = "images/common/nav_au02.gif";
		
		img[8] = new Image(); img[8].src = "images/common/nav_lg01.gif";
        img[9] = new Image(); img[9].src = "images/common/nav_lg02.gif";
		
		img[10] = new Image(); img[10].src = "images/common/nav_ca01.gif";
        img[11] = new Image(); img[11].src = "images/common/nav_ca02.gif";
		
		img[12] = new Image(); img[12].src = "images/common/nav_nr01.gif";
        img[13] = new Image(); img[13].src = "images/common/nav_nr02.gif";
		
		img[14] = new Image(); img[14].src = "images/common/nav_if01.gif";
        img[15] = new Image(); img[15].src = "images/common/nav_if02.gif";
		
		img[16] = new Image(); img[16].src = "images/common/nav_sw01.gif";
        img[17] = new Image(); img[17].src = "images/common/nav_sw02.gif";

		img[18] = new Image(); img[18].src = "images/common/hd_blog01.jpg";
        img[19] = new Image(); img[19].src = "images/common/hd_blog02.jpg";

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