function relo_submit($form_id, $form_values) {
// Handles the uploading of the RELO to the files/relo directory
// returns a URL for the RELO 

// var_dump($form_values);
 
var_dump($_FILES);

$source = $form_values['local'];
$tmp_dest = $_FILES['tmp_name']['local'];
$fnl_dest = 'sites/all/files/RELOs/' . $_FILES['name']['local'];

  if (file_save_upload($source)) {
	file_move($tmp_dest, $fnl_dest);
	return 0;
  }
  else return 1;
}


__________________________________

var_dump($_FILES) output:

array(1) { 
	["files"]=>  array(5) { 
		["name"]=>  array(2) { 
			["local"]=>  string(10) "README.txt" 
			["upload"]=>  string(0) "" } 
		["type"]=>  array(2) { 
			["local"]=>  string(10) "text/plain" 
			["upload"]=>  string(0) "" } 
		["tmp_name"]=>  array(2) { 
			["local"]=>  string(14) "/tmp/phpPHR0vc" 
			["upload"]=>  string(0) "" } 
		["error"]=>  array(2) { 
			["local"]=>  string(1) "0" 
			["upload"]=>  string(1) "4" } 
		["size"]=>  array(2) { 
			["local"]=>  string(4) "6222" 
			["upload"]=>  string(1) "0" } } }