$(document).ready(function() {

    // Hide the panel if there is no content in it
    var aCheck = $("#SubMenuRgn .EditorPanel *");
    if (aCheck.length == 0) {
        $("#SubMenuRgn .SubMenuPanelWrapper").css("display", "none"); 
        $("#SubMenuRgn .PanelWrapper").css("display", "none"); 
    }
});