function $(objName)
    {
        return document.getElementById(objName);
    }

    function winopen(url)
    {
        window.open(url, "", "width=700,height=500,resizable=yes,scrollbars=yes");
    }

    function zmien_kurs()
    {
        $("select_kursu_walut_naglowek").innerHTML = "<b>Pokaż kurs walut:</b>";
        $("select_kursu_walut").innerHTML = "<a href=\"#\" onclick=\"kurs_walut('nbp'); return false;\">NBP</a>&nbsp;&bull;&nbsp;<a href=\"#\" onclick=\"kurs_walut('getinbank'); return false;\">GetinBank</a>&nbsp;&bull;&nbsp;<a href=\"#\" onclick=\"kurs_walut('multibank'); return false;\">Multibank</a>&nbsp;&bull;&nbsp;<a href=\"#\" onclick=\"kurs_walut('bph'); return false;\">BPH</a>&nbsp;&bull;&nbsp;<a href=\"#\" onclick=\"kurs_walut('pkobp'); return false;\">PKO BP</a>";
    }

    function kurs_walut(bank)
    {
        fullBankNames = {"nbp":"NBP","getinbank":"GetinBank","multibank":"MultiBank","bph":"BPH","pkobp":"PKO BP"};
        $("kursy_walut").innerHTML
            = "<table border=\"0\"cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" height=\"35\">\n"
            + " <tr>\n"
            + "  <td style=\"vertical-align: middle; text-align: left; padding-right: 15px; cursor: pointer;\" id=\"select_kursu_walut_naglowek\" "
                + "onclick=\"zmien_kurs();\" title=\"Kliknij tu by zmienić źródło kursu\" width=\"215\"> <b>Kurs walut " + fullBankNames[bank] + ":</b> </td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7; border-right: 1px solid #cdd6d7;\">&nbsp;Kupno:&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">&nbsp;<b>1 USD</b>&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">" + dataGrid.waluty[bank].USD.PP + "</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7; border-right: 1px solid #cdd6d7; " + ((dataGrid.waluty[bank].USD.PV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].USD.PV + "%</i>&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">&nbsp;<b>1 EUR</b>&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">" + dataGrid.waluty[bank].EUR.PP + "</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7; border-right: 1px solid #cdd6d7;" + ((dataGrid.waluty[bank].EUR.PV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].EUR.PV + "%</i>&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">&nbsp;<b>1 CHF</b>&nbsp;</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;\">" + dataGrid.waluty[bank].CHF.PP + "</td>\n"
            + "  <td style=\"border-bottom: 1px solid #cdd6d7;" + ((dataGrid.waluty[bank].CHF.PV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].CHF.PV + "%</i>&nbsp;</td>\n"
            + " </tr>\n"
            + " <tr>\n"
            + "  <td id=\"select_kursu_walut\" onclick=\"zmien_kurs();\" title=\"Kliknij tu by zmienić źródło kursu\" style=\" cursor: pointer;\">Tabela z: "
                + dataGrid.waluty[bank].PT + "</td>\n"
            + "  <td style=\"border-right: 1px solid #cdd6d7;\">&nbsp;Sprzedaż: </td>\n"
            + "  <td>&nbsp;<b>1 USD</b>&nbsp;</td>\n"
            + "  <td>" + dataGrid.waluty[bank].USD.RP + "</td>\n"
            + "  <td style=\"border-right: 1px solid #cdd6d7;" + ((dataGrid.waluty[bank].USD.RV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].USD.RV + "%</i>&nbsp;</td>\n"
            + "  <td>&nbsp;<b>1 EUR</b>&nbsp;</td>\n"
            + "  <td>" + dataGrid.waluty[bank].EUR.RP + "</td>\n"
            + "  <td style=\"border-right: 1px solid #cdd6d7;" + ((dataGrid.waluty[bank].EUR.RV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].EUR.RV + "%</i>&nbsp;</td>\n"
            + "  <td>&nbsp;<b>1 CHF</b>&nbsp;</td>\n"
            + "  <td>" + dataGrid.waluty[bank].CHF.RP + "</td>\n"
            + "  <td style=\"" + ((dataGrid.waluty[bank].CHF.RV>0) ? "color: green;" : "color: red;") + "\">&nbsp;<i>" + dataGrid.waluty[bank].CHF.RV + "%</i>&nbsp;</td>\n"
            + " </tr>\n"
            + "</table>\n";
    }