function getSPCListByConfigGroup(config_group)
{
    var spc_list="";
    if(navigator.appName == "Microsoft Internet Explorer")
    {
      http_get_spc = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else
    {
        http_get_spc = new XMLHttpRequest();
    }
    http_get_spc.open("POST", "inc/configEdit.php", true);
    http_get_spc.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

    params = "spc_list=" + config_group;
    http_get_spc.setRequestHeader("Content-length", params.length);
    http_get_spc.send(params);
    http_get_spc.onreadystatechange = function()
        {
            if(http_get_spc.readyState == 4)
            {
                spc_list = http_get_spc.responseText;
            }
        }
    return(spc_list.toString());
}