function pageLoad() {
    $addHandler($get("ibtnClose"), 'click', hideModalPopupViaClient);
}

function showModalPopupViaClient(ev) {
    ev.preventDefault();
    var modalPopupBehavior = $find('programmaticModalPopupBehavior');
    modalPopupBehavior.show();
}

function hideModalPopupViaClient(ev) {
    ev.preventDefault();
    var modalPopupBehavior = $find('programmaticModalPopupBehavior');
    modalPopupBehavior.hide();
}
function setBodyHeightToContentHeight() {
    document.body.style.height = Math.max(document.documentElement.scrollHeight, document.body.scrollHeight) + "px";
}
setBodyHeightToContentHeight();
$addHandler(window, "resize", setBodyHeightToContentHeight);