/*
	Function directory($directory,$filters)
	written by Chris Heilmann (info@onlinetools.org) 
        reads the content of $directory, takes the files that 
        apply to $filter and returns an array of the filenames.
	You can specify which files to read, for example
	$files = directory(".","jpg,gif");
		gets all jpg and gif files in this directory.
	$files = directory(".","all");
		gets all files.
*/	
function directory($dir,$filters){
	$handle=opendir($dir);
	$files=array();
	if ($filters == "all"){
        while(($file = readdir($handle))!==false){$files[] = $file;}}
	if ($filters != "all"){
		$filters=explode(",",$filters);
		while (($file = readdir($handle))!==false) {
			for ($f=0;$f<sizeof($filters);$f++):
				$system=explode(".",$file);
				if ($system[1] == $filters[$f]){$files[] = $file;}
			endfor;
		}
	}
	closedir($handle);
	return $files;
	}