[JavaScript] 새창으로 form을 submit하기

<SCRIPT Language="javascript">
    function OpenPrint() {

        document.getElementsByName('_pay_gubun').item(0).value = document.getElementsByName('pay_gubun').item(0).value;
        document.getElementsByName('_YY').item(0).value = document.getElementsByName('YY').item(0).value;
        document.getElementsByName('_MM').item(0).value = document.getElementsByName('MM').item(0).value;
        document.getElementsByName('_s_sabun').item(0).value = "200002";

        var gsWin = window.open("about:blank", "winName");
        var fr = document.frm;
        fr.action = "salary_view_print.asp";
        frm.target = "winName";
        frm.submit();

    }
</SCRIPT>

 

    <form name="frm" action="salary_view_print.asp" method="post">
    <input type="hidden" name="_pay_gubun" value="">
    <input type="hidden" name="_YY" value="">
    <input type="hidden" name="_MM" value="">
    <input type="hidden" name="_s_sabun" value="">
    <input type="button" name="Submit2" value="출력" class=in2 onClick="OpenPrint();">
    </form>

<input type="button" value="조회끝 (닫기)" class=in2 Onclick="location.href = 'pwcheck.aspx'">