function serveFile(file_id,div,pass) {
	new Ajax.Updater(div,'fileserver.php', {
			method: 'post',
			postBody: 'pass=' + pass + '&file_id=' + file_id + '&div=' + div,
			evalScripts: true,
			onCreate: $('loading').update('<span>Downloading...</span>'),
			onComplete: function() {if (Ajax.activeRequestCount <= 1) $('loading').update();}
	}); 
	$(div).show();
	
}