<?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'";
	
	$result = $wpdb->get_results($sql);
	
	if ( !empty($result) )
		wp_quotes_spew($result[mt_rand(0, count($result)-1)]);
}