window.onload = function(){
        var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
        var activeSheet = spread.getActiveSheet();

 // 常時入力モードを設定します。
      spread.bind(GC.Spread.Sheets.Events.EnterCell, function (event, data) {
          var sheet = data.sheet;
          activeSheet.startEdit(false);
      });
                       }