var LeafModal = new Class({
    initialize : function () {
         /**
         * That CSS selector will find all <a> elements with the
         * target equal to "_blank".
         *
         * The second argument sets additional options
         */
         SqueezeBox.assign($$('a[target=_self]'), {
            size: {x: 720, y: 450},
            overlayOpacity: .5
         });
    }    

});

window.addEvent("domready", function (e) {
    if ( ! leafModal ) {
        var leafModal = new LeafModal();
    }
});