function showPopup() {
    var modalPopupBehavior = $find('mpeSendEmailBehavior');
    modalPopupBehavior.show();
}
function hidepopup() {
    var modalPopupBehavior = $find('mpeSendEmailBehavior');
    modalPopupBehavior.hide();
}
function showEmailSuccessPopup() {
    var modalPopupBehavior = $find('EmailSuccessBehavior');
    modalPopupBehavior.show();
}
function hideEmailSuccessPopup() {
    var modalPopupBehavior = $find('EmailSuccessBehavior');
    modalPopupBehavior.hide();
}
function pageLoad() {
    $addHandler($get("lbSendEmail"), 'click', showPopup);
    setTimeout("hideEmailSuccessPopup()", 20000);
}