$(function () {
    $("a[rel]").overlay({
        oneInstance: true, 
        onBeforeLoad: function () {
            // grab wrapper element inside content 
            var wrap = this.getOverlay().find(".contentWrap");
            // load the page specified in the trigger 

            var trigger = this.getTrigger().attr("href");
            wrap.load(trigger);
        },
        mask: {
            color: '#000000',
            loadSpeed: 200,
            opacity: 0.0
        },
        closeOnClick: false
    });
});