function ajaxPostBack(Field, Value) {
    var o = document.getElementById(Field);
    if (o == null) return;
    o.value = Value;
    __doPostBack(Field, '');
}

function OpenFacebookWindow(FacebookLink, WindowTitle) {
    var facebookWindow = window.open(FacebookLink, '', "width=500,height=400,left=100,top=200");
    facebookWindow.focus();
}

function OpenVVKWindow(VVKLink) {
    var winl = (screen.width - 790 - 200) / 2;
    var vvkWindow = window.open(VVKLink, '', "width=790,height=730,left=" + winl + ",top=0,scrollbars=yes,resizable=yes");
    vvkWindow.focus();
}

function printWindow(obj) {
    obj.blur();
    window.print();
    return false;
}