code: function(e, oSelf) {
      var sMode = oSelf.get("selectionMode");
  
      if(sMode == "standard") {
          oSelf._handleStandardSelectionByKey(e);
      }
      else if(sMode == "single") {
          oSelf._handleSingleSelectionByKey(e);
      }
      else if(sMode == "cellblock") {
          oSelf._handleCellBlockSelectionByKey(e);
      }
      else if(sMode == "cellrange") {
          oSelf._handleCellRangeSelectionByKey(e);
      }
      else if(sMode == "singlecell") {
          oSelf._handleSingleCellSelectionByKey(e);
      }
      
      if(oSelf._oCellEditor) {
          if(oSelf._oCellEditor.fireEvent) {
              oSelf._oCellEditor.fireEvent("blurEvent", {editor: oSelf._oCellEditor});
          }
          else if(oSelf._oCellEditor.isActive) {
              oSelf.fireEvent("editorBlurEvent", {editor:oSelf._oCellEditor});
          }
      }
  
      var elTarget = Ev.getTarget(e);
      var elTag = elTarget.nodeName.toLowerCase();
      var bKeepBubbling = true;
      while(elTarget && (elTag != "table")) {
          switch(elTag) {
              case "body":
                  return;
              case "tbody":
                  bKeepBubbling = oSelf.fireEvent("tbodyKeyEvent",{target:elTarget,event:e});
                  break;
              default:
                  break;
          }
          if(bKeepBubbling === false) {
              return;
          }
          else {
              elTarget = elTarget.parentNode;
              if(elTarget) {
                  elTag = elTarget.nodeName.toLowerCase();
              }
          }
      }
      oSelf.fireEvent("tableKeyEvent",{target:(elTarget || oSelf._elContainer),event:e});
  }
docs: Handles keydown events on the TBODY element. Handles selection behavior,
  provides hooks for ENTER to edit functionality.
  
  @method _onTbodyKeydown
  @param e {HTMLEvent} The key event.
  @param oSelf {YAHOO.wiget.DataTable} DataTable instance.
  @private