[Erolast]

function buyDialog( nameBuy, idBuy ) {
    $('#whatToBuy')[0].innerHTML = nameBuy;
    $('#idBuy')[0].value = idBuy;
    showDialog($('#buy'));
}

function buyDialog( nameBuy, idBuy ) {
    $('#whatToBuy').html(nameBuy);
    $('#idBuy').val(idBuy);
    showDialog($('#buy'));
}