function change_lang( lang )
{
	var query = document.searchform.spi.value;
	if( query!='' )
	{
		window.location.href = 'http://' + lang + '.prixx.org/' + encodeURI(query) + '-1.html';
	}
	else
	{
		window.location.href = 'http://' + lang + '.prixx.org/';
	}
	return false;
}