<?php wp_quotes_random(); ?>
// used to call the function below

function wp_quotes_random()
{
	global $wpdb;
	
	$sql = "SELECT * FROM " . WP_QUOTES_TABLE . "  WHERE visible='yes' ORDER BY rand() LIMIT 1";
	
	$result = $wpdb->get_results($sql);
	
	if ( !empty($result) )
		wp_quotes_spew($result[0]);
}