function openSubWindow(URL, winName, pars) {
	var winName;
	winName = window.open(URL, winName, pars);
	winName.focus();
}
function refreshFloatingWindow() {
	$('map_china').style.display     = 'none';
	$('map_india').style.display     = 'none';
	$('map_indonesia').style.display = 'none';
	$('map_japan').style.display     = 'none';
	$('map_laos').style.display      = 'none';
	$('map_myanmar').style.display   = 'none';
	$('map_nepal').style.display     = 'none';
	$('map_srilanka').style.display  = 'none';
	$('map_thailand').style.display  = 'none';
}
function displayFloatingWindow(str) {
	refreshFloatingWindow();
	$('floatingwindow').style.display = 'block';
	str = 'map_' + str;
	$(str).style.display = 'block';
}