$(document).ready(function(){

    $('#pg').jphotogrid({
        baseCSS: {
            width: '135px',
            height: '90px',
            padding: '0px'
        },
        selectedCSS: {
            top: '50px',
            left: '40px',
            width: '500px',
            height: '375px',
            padding: '10px'
        }
    });

});