$(document).ready(function(){
    $("#service_desc div").hide();
    $("#service_desc .family").show();
    $("#service_list .family").addClass("active");
    $("#service_list li").click(function(){
        $("#service_list li").removeClass("active");
        var c = $(this).attr("class")
        $(this).addClass("active");
        $("#service_desc div").hide()
        $("#service_desc ." + c).show()
    })
    
})