Something

    function addNewRow( order, month, year, teacher ) {
      sndReq(-1,"addNewRow",order,month+"@;@"+year+"@;@"+teacher+"@;@");
      order++;
      document.getElementById( "HnewRow" ).id = "Hreport"+order;
      document.getElementById( "EnewRow" ).id = "Ereport"+order;
      if (order%2) {
        document.getElementById( "Hreport"+order ).className = "odd";
        document.getElementById( "Ereport"+order ).className = "odd";
      } else {
        document.getElementById( "Hreport"+order ).className = "even";
        document.getElementById( "Ereport"+order ).className = "even";
      }
      // adding an adding row to Hebrew
      table = document.getElementById( "HreportTable" );
      newRow = table.insertRow((order+1));
      newRow.id = "HnewRow";
      newRow.innerHTML = "<td colspan='3'><a href='javascript:void(0)' onclick='addNewRow("+order+","+month+","+year+","+teacher+")'>הוספה</a></td>";
      // adding an adding row to Espanol
      table = document.getElementById( "EreportTable" );
      newRow = table.insertRow((order+1));
      newRow.id = "EnewRow";
      newRow.innerHTML = "<td colspan='3'><a href='javascript:void(0)' onclick='addNewRow("+order+","+month+","+year+","+teacher+")'>add</a></td>";
    }