jQuery(document).ready(function(){
    jQuery("#triggers a").overlay({
        // each trigger uses the same overlay with the id "gallery" 
        target: '#gallery',
        // optional exposing effect 
        expose: '#f1f1f1'
        // let the gallery plugin do its magic! 
    }).gallery({
        // the plugin accepts its own set of configuration options 
        speed: 800
    });
});