docs: function (setting) {
  		var r = data.getRoot(setting), rs = data.getRoots();
  		r.curEditNode = null;
  		r.curEditInput = null;
  		r.curHoverNode = null;
  		r.dragFlag = 0;
  		r.dragNodeShowBefore = [];
  		r.dragMaskList = new Array();
  		rs.showHoverDom = true;
  	}