I need open new tab using Pay now If am click paynow button that links open new tab.
$(function() {
  $("#OrderTable > tbody > tr > td> .paynow").click('click', function(Myevent) {
    Myevent.preventDefault();
    var urls = $(this).attr('href');
    var passval = $(this).parents().siblings('td:eq(1)').text();
    $.ajax({
      type: "POST",
      datatype: "json",
      async: true,
      url: '/MyAccount/PayNow?OrderId=' + passval,
      contentType: "application/json; charset=utf-8",
      success: function(RtObject) {
        //alert(RtObject.isError);
        //alert(RtObject.CId);
        if (!RtObject.isError) {
          //alert(RtObject.isError);
          if (RtObject.CId == 1) {
            var newwin;
            if (newwin && !newwin.closed) {
              newwin.focus();
            } else {
              window.location.href = RtObject.ReturnVal;
            }
          } else if (RtObject.CId == -1) {
            jAlert(RtObject.Message, "Failure");
          }
        }
      },
      failure: function(response) {
        jAlert("Cant go to payment process", "Failure");
      }
    });
  });
I need open new tab .please solve this.
 
    