I have problems with my random images

[jaesflo]

I have problems with my random images, not show me an "imagen",

Here is the code

<?  
function random_images($path) {  
$F = 0;  
$dir = opendir($path);  
while ($file = readdir($dir)) { if (($file != ".") || ($file != "..")) { $archivos[$F] = $file; $F++; } }  
$muestra = rand(1,$F);  
return "<img src=/$path/$archivos[$muestra]>";  
}  
?> 
<?  
echo random_images("file_images/myimages");  
?>

Here is the example with the grafics of my Random Images

Thank you