// <![CDATA[
function showzoom(Id) {
    $("#" + Id).overlay({

        // custom top position 
        //top: 272,

        // some expose tweaks suitable for facebox-looking dialogs 
        expose: {

            // you might also consider a "transparent" color for the mask 
            color: '#e0e0e0',

            // load mask a little faster 
            loadSpeed: 200,

            // highly transparent 
            opacity: 0.7
        },

        // disable this for modal dialog-type of overlays 
        closeOnClick: true,

        // we want to use the programming API 
        api: true

        // load it immediately after the construction
    }).load();
}
//]]>