function Belepes(V)
{
    if(V=='D')
    {
        window.open("https://www.netbank.hu/NetBank2/demo.php4","NetBank","width=800,height=550, resizable=1");
    }
    else
    {
        window.open("https://www.netbank.hu/NetBank2/login.php4","NetBank","width=800,height=550, resizable=1");
    }  
}