$(document).ready(function() {
    $(".target_control").hide();
    $(".toggle_control").click(function() {
        $(this).next(".target_control").slideToggle(500);
        return false;
    });
    // Using jQuery History: http://plugins.jquery.com/project/jquery_history
    $.History.bind(function(state) {
        if (state != null && state != "") {
            $("#" + state + ".toggle_control").next(".target_control").slideDown();
        }
    });
});