function changeLanguage(sel)
{
	var lang = sel.value;
	if (lang=='en')
		window.location = 'http://www.wsdg.com/default.asp';
	else if (lang=='')
		window.location = 'http://www.wsdg.com/default.asp';
	else if (lang=='sp')
		window.location = 'http://es.wsdg.com/default.asp';
	else
		window.location = 'http://' + lang + '.wsdg.com/default.asp';
}