$(document).ready(function() {
    //hide the all of the element with class category_moreinfo_expandeds
    $(".category_moreinfo_expanded").hide();
    //toggle the componenet with class msg_body
    $(".category_moreinfo_topic, .category_moreinfo_topic_top").click(function() {
        $(this).next(".category_moreinfo_expanded").slideToggle(300);
        if ($("span",this).text() == '+') {
            $("span",this).text("-");
            }
            else {
            $("span",this).text("+");
            
            
        }




    });
});