function OpenContactForm() {
    window.open("Kontaktni-formular.aspx", "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=600,height=476,top=80,left=80");
}

function OpenGameRule(PageName) {
    window.open("Rules/" + PageName, "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=600,height=485,top=80,left=80");
}

function OpenPiskvorky() {
    window.open("Games/Piskvorky.aspx", "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=802,height=765,top=80,left=80");
}

function OpenKameny() {
    window.open("Games/Kameny.aspx", "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=533,height=684,top=80,left=80");
}

function OpenPexeso() {
    window.open("Games/Pexeso.aspx", "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=657,height=664,top=80,left=80");
}

function OpenHledaniMin() {
    window.open("Games/Hledani-min.aspx", "_blank", "toolbar=0,menubar=0,location=no,directories=no,scrollbars=no,resizable=yes,status=no,width=462,height=438,top=80,left=80");
}