<?php
function image($dir,$alt,$wid,$hei,$sty,$cla,$oth){
echo "<img src=\"".$dir."\" ";
if($hei !== ""){
	echo "height=\"".$hei."\" ";
}
if($wid !== ""){
	echo "width=\"".$wid."\" ";
}
if($sty !== ""){
	echo "style=\"".$sty."\" ";
}
if($cla !== ""){
	echo "class=\"".$cla."\" ";
}
if($alt !== ""){
	echo "alt=\"".$alt."\" ";
}
if($oth !== ""){
	echo $oth." >";
}
} // Fin Function
?>

<?php
function ftp_conn($server,$user,$password){

// establecer una conexion basica
$id_con = ftp_connect($servidor_ftp);

// inicio de sesion con nombre de usuario y contrasenya
$resultado_login = ftp_login($id_con, $nombre_usuario_ftp, $contrasenya_ftp);

// Checkear conexion
if ((!$id_con) || (!$resultado_login)) {
		echo "<b>PHP+:</b> Unable to connect to FTP";
		exit;
	} else {
		echo "<!-- PHP+: Connect OK -->";
}
} // Fin Function

function ftp_getdir(){
// Obtener una lista basica/avanzada de los archivos en un directorio
} // Fin Function

function ftp_send(){
// Para enviar un archivo via FTP
} // Fin Function
?>

<?php
function mysql_conn($hst,$usr,$pas,$dba){
	mysql_connect("$hst","$usr","$pas");
	mysql_select_db("$dba");
} // Fin Function

function mysql_query_write($sen,$yes,$fal){
	$query = mysql_query($sen);
	if($query) {
		echo $yes;
	} else {
		echo $fal;
	}
} // Fin Function
?>

<?php
function error($typ,$mes){
echo "ERROR (".$typ."): ".$mes;
} // Fin Function

function redir($loc,$typ,$sec){
if($typ == 1) {
	header("Location: ".$loc);
} elseif (($typ = 2) and ($sec)) {
	echo "<meta http-equiv=\"Refresh\" content=\"".$sec."; url=".$loc."\">";
}
} // Fin Function

function copyright($bus,$yea,$arr){
$date = date('Y');
echo "Copyright © ".$yea."-".$date." ".$bus;
if($arr == "") {
	echo "All rights reserved.";
} else {
	echo $arr;
}
} // Fin Function
?>

<?php
/*
Copyright (c) 1999 Marcel Lemmen
       E-mail: lemmen@support.nl
       All  rights  reserved.
*/

$files=array( 'track01.mp3', 'escreen.exe');
$filenames=array( 'Thank ABBA for the music.mp3', 'Escreen.exe');
$additional_info=array( 'Various artists - Thanx ABBA for the music : 4978602 by
tes', 'Shareware program to make a screenshot: 529920 bytes');
$url= "/home/lemmen/public_html/data/";
/* When the files are on another server, use the
   whole address (http://www.server.com/dir/) in stead of /home/lemmen... */
       
$referer=ereg_replace( "\?.", "",$HTTP_REFERER); 
$thisfile= "http://$HTTP_HOST$PHP_SELF";
       
if ($referer!=$thisfile){
        echo "<center><big>Homepage: <a href=\"http://home.support.nl/~lemmen\">
http://home.support.nl/~lemmen</big><br><hr><br><br></center>";
        for ($i=0;$i<count($files);$i++)
        echo  "<P><A HREF=\"$PHP_SELF?$i\">",$filenames[$i], "</A> $additional_i
nfo[$i]\n";
}
else {
        $i=$QUERY_STRING;
        $total=$url . $files[$i];
        Header ( "Content-Type: application/octet-stream");
        Header ( "Content-Length: ".filesize($total));
        Header( "Content-Disposition: attachment; filename=$filenames[$i]");
        readfile($total);
}
?>

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /carpeta/carpeta/archivo.php on line 97

Bien en la linea 97 tengo:
    <?php
96  $query=mysql_query("SELECT * FROM usuarios WHERE nick = '".$arry['usuario']."')");
97  $userdata = mysql_fetch_array($query);
98	echo " <a class=\"menulinks\" onClick=\"showRemoteReg();\" href=\"#\">".$arry[usuario]."</a> ";
    ?>