function send_email($from, $to, $subj, $body, $header='')
{
	if( empty($to) || !count($to) ) return;	
	
	if( $GLOBALS['USE_SMTP'] == 'Y' ) {
		$smtp = new fud_smtp;
		$smtp->msg = $body;
		$smtp->subject = $subj;
		$smtp->to = $to;
		$smtp->from = $from;
		$smtp->headers = $header;
		$smtp->send_smtp_email();
	}
	else {
		$bcc='';
	
		if( is_array($to) ) {
			if( ($a = count($to)) > 1 ) {
				$bcc = "Bcc: ";
				for( $i=1; $i<$a; $i++ ) $bcc .= $to[$i].', ';
				$bcc = substr($bcc,0,-2);	
			}		
			$to = $to[0];
		}
		if( $header ) 
			$header = "\n".str_replace("\r", "", $header);
		else if( $bcc ) 
			$bcc = "\n".$bcc;
				
THIS LINE		mail($to, $subj, str_replace("\r", "", $body), "From: $from\nErrors-To: $from\nReturn-Path: $from\nX-Mailer: FUDforum v".$GLOBALS['FORUM_VERSION'].$header.$bcc);
	}		
}

function check_return()
{
        if ( empty($GLOBALS['returnto']) ) 
        	$GLOBALS['returnto']='http://localhost/forum/index.php?'._rsidl;
        else {
        	$url_bits = parse_url($GLOBALS['returnto']);
        	$GLOBALS['returnto']='http://localhost/forum/index.php?'._rsidl;
		
		if( $url_bits['query'] ) {
			parse_str(str_replace('&', '&', $url_bits['query']), $url_args);
			if( is_array($url_args) ) {
				foreach( $url_args as $k => $v ) {
					if( $k == 'S' || $k == 'rid' ) continue;
					$GLOBALS['returnto'] .= '&'.$k.'='.urlencode($v);
				}	
			}
		}
        }
THIS LINE        header("Location: ".$GLOBALS['returnto']);
	exit();
}class fud_smtp
{