$(document).ready(function()
{
    $('div.expandableBox').each(function()
    {
        var box = $(this);
        box.children('div.expandableBoxHeader')
            .css("background-image", "url('" + BaseUrl + "images/expandeblebox_open.png')")
            .attr("rel", "open")
            .click(function(){
                var h = $(this);
                h.next('div.expandableBoxContent').animate({height: 'toggle'}, 'normal');
                
                if (h.attr("rel") == "open")
                {
                    h.css("background-image", "url('" + BaseUrl + "images/expandeblebox_closed.png')").attr("rel", "closed");
                }
                else
                {
                    h.css("background-image", "url('" + BaseUrl + "images/expandeblebox_open.png')").attr("rel", "open");
                }
            });
    });
});