function getUSDRate()
{
	$error_reporting = error_reporting(~E_ALL);
	$url = 'http://www.cbr.ru/scripts/XML_daily.asp?date_req=%s';
	
	$url = sprintf($url, date('d/m/Y'));
	
	$fh = fopen($url, 'r');
	
	$xml = '';
	while(!feof($fh))
		$xml .= fread($fh,  1024 );
	
	fclose($fh);
	
	$xml = xmldoc($xml);
	$xml->xpath_init();
	$ctx = xpath_new_context($xml);
	
	$nodes = xpath_eval($ctx, '//ValCurs/Valute[CharCode="USD"]/Value');
	$node = @$nodes->nodeset[ 0 ]->children();
	
	$USDRate = @$node[ 0 ]->content;
	
	error_reporting($error_reporting);
	
	return $USDRate;
};