var current_id = '';

function enlarge (thumb, src, width, height, caption, summary) 
{
    if (document.getElementById) {

        var featured_image = document.getElementById('featured_image');
        if (featured_image.src != src) 
        {
            $("#featured_image").fadeOut('fast', 
                function() { 
                    $("#featured_image").remove();  
                    $("#mattliner").append('<img id="featured_image" src="' + src +'" width="'+ width +'" height="'+ height +'" alt="'+ caption +'" />');
                }
            );
        }

        if (imgCaption = document.getElementById('image_caption')) imgCaption.innerHTML = caption;
        if (imgSummary = document.getElementById('img_summary')) imgSummary.innerHTML = summary;

    }
}