// JavaScript Document

var brw_v = navigator.appVersion.charAt(0);
var brw_n = navigator.appName.charAt(0);
var i_brw = false;
if((brw_v >= 4)&&(brw_n == "M"))i_brw = true;
if((brw_v >= 3)&&(brw_n == "N"))i_brw = true;
if(i_brw) {
    var img = new Array();
        img[0] = new Image();  img[0].src = "parts/bt_lang_tw.gif";    //out
        img[1] = new Image();  img[1].src = "parts/bt_lang_tw_ov.gif";    //over
		img[2] = new Image();  img[2].src = "parts/bt_lang_en.gif";    //out
        img[3] = new Image();  img[3].src = "parts/bt_lang_en_ov.gif";    //over
 }

function _in(nam,num) {
if(i_brw) {
document.images[nam].src = img[num].src;
                }
        }
function _out(nam,num) {
if(i_brw) {
document.images[nam].src = img[num].src;
        }
}