// change url location from eng to chi
//var console = window.open("", "console", "width=400,height=200,toolbar=no,statusbar=no,menubar=no,scrollbars=yes");

function lang_change(lang) {
	var flg = "chi";
	if (lang != "eng")  flg = "eng";
	if (window.frames.length)
		for (var i=0; i<window.frames.length; i++) {
			var temp_loc = top.frames[i].document.location.toString();
			var new_loc = temp_loc.replace(flg, lang);
			top.frames[i].document.location = new_loc;
		}
	else { // no frames exist
		var temp_loc = top.document.location.toString();
		var new_loc = temp_loc.replace(flg, lang);
		top.document.location = new_loc;
	}
}