function pageLoad() {
    var manager = Sys.WebForms.PageRequestManager.getInstance();
    manager.add_beginRequest(OnBeginRequest);
    manager.add_endRequest(OnEndRequest);
    
}




var lcPostbackElementID;
var IsFreezeScreen;
function OnBeginRequest(sender, args) {
    lcPostbackElementID = args.get_postBackElement().id;
    if ((typeof (lcPostbackElementID) != "undefined")) {
        if ((lcPostbackElementID != "") ) {
            if ((lcPostbackElementID.search(/_DIS_/) != -1)) {
                $get(lcPostbackElementID).value = "جاري تنفيذ طلبك ...";
            }
            $get(lcPostbackElementID).disabled = true;
        }
    }
}


function OnEndRequest(sender, args) {
    if ((typeof (lcPostbackElementID) != "undefined")) {
        if ((lcPostbackElementID != "")) {
            if ((lcPostbackElementID.search(/_DIS_/) == -1)) {
                $get(lcPostbackElementID).disabled = false;
            }
        }
    }
}