function displayWindow(url, width, height, title) {
        var Win = window.open(url,title,'width=' + width + ',height=' + height + ',resizable=yes, scrollbars=no, menubar=no');
}

function openAdmin() {
    var Win = window.open('admin.php', 'admin','width=790,height=556, resizable=no, scrollbars=no, menubar=no');
}
function openAdminEdit(aGo, aOp, aId) {
    var Win = window.open('admin.php?go=' + aGo + '&op=' + aOp + '&' + aId + '', 'admin','width=790,height=556, resizable=no, scrollbars=no, menubar=no');
}

function openPicture(picId, width, height) {
    var Win = window.open('index.php?go=album&op=view_popup&pic_id=' + picId, 'FotoAlbum', 'width=' + width + ',height=' + height + ', resizable=no, scrollbars=no, menubar=no, status=yes');
}

function potwierdz(modul, id){
    if (confirm('Czy napewno chcesz usun±ć wybran± pozycję')) {
        window.location.href = 'admin.php?go=' + modul + '&op=del_' + modul + '&' + modul + '_id=' + id + '';
    }
}
function openPrint (op, id) {
    var printWin = window.open("index.php?go=print&op=" + op + "&id=" + id + "", "print", 'width=595, height=687, resizable=0,scrollbars=no,menubar=no' );
}
function openSendFriend (op, id) {
    var printWin = window.open("index.php?go=sendfriend&op=" + op + "&id=" + id + "", "sendfriend", 'width=595, height=647, resizable=0,scrollbars=no,menubar=no' );
}

function send_newsletter(op) {
    nForm = document.getElementById('newsletter');
    if(nForm.news_email.value.search(/[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3}/i) == -1) {
       alert('Prosze podać poprawny adres e-mail!');
    } else {
       nForm.op.value = '' + op + '';
       nForm.submit();
    }
}

function check_newsletter() {
    nForm = document.getElementById('newsletter');
    if(nForm.news_email.value.search(/[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3}/i) == -1) {
       alert('Prosze podać poprawny adres e-mail!');
       return false;
    } else {
       return true;
    }
}