// JavaScript Document
function UpdateCustomizationWindowValue() {
    var element = document.getElementById("btnCustWindow");
    if(element == null) return;
    element.value = (grid.IsCustomizationWindowVisible() ? "Ocultar" : "Mostrar") + " Colunas Disponiveis";
}
function ShowHideCustomizationWindow() {
    if(grid.IsCustomizationWindowVisible())
        grid.HideCustomizationWindow();
    else grid.ShowCustomizationWindow();        
    UpdateCustomizationWindowValue();
}