function freezeScreen(text) {   
    if (typeof(ValidatorOnSubmit) == "function") ValidatorOnSubmit();
    $("<div style='text-align: center;' id='FreezePane' class='FreezePaneOff'><div id='InnerFreezePane' class='InnerFreezePane'></div></div>").appendTo("body");
    this.disabled = true;
    scroll(0,0);    
    var outerPane = document.getElementById('FreezePane');
    var innerPane = document.getElementById('InnerFreezePane');
    if (outerPane) outerPane.className = 'FreezePaneOn';
    if (text == undefined || text == '') text = 'Please wait ...';    
    if (innerPane) innerPane.innerHTML = "<span style='padding: 8px;border: thin solid Gray; background-color: white;color:black;font-size:40px;'>" + text + "</span>";//'Please wait ... ';
    $("select").toggle();    
    if (typeof(ValidatorOnSubmit) == "function") ValidatorOnSubmit();
}
function unFreezeScreen() {        
    this.disabled = false;
    scroll(0,0);
    var outerPane = document.getElementById('FreezePane');
    var innerPane = document.getElementById('InnerFreezePane');
    if (outerPane) outerPane.className = 'FreezePaneOff';
    if (innerPane) innerPane.innerHTML = '';
    $("select").toggle();
}