$(function () {
    $('a.modal').each(function () {
        var $target = $(this);
        var data = $target.metadata();
        if (data.width && data.height) {
            $target.colorbox({iframe:true, innerWidth:data.width, innerHeight:data.height});
        } else
            $target.colorbox({ iframe: true, innerWidth: 500, innerHeight: 450 });
    });
    $('.tip').tipTip();
});