var mxClipboard={STEPSIZE:10,insertCount:1,cells:null,setCells:function(a){mxClipboard.cells=a},getCells:function(){return mxClipboard.cells},isEmpty:function(){return null==mxClipboard.getCells()},cut:function(a,b){b=mxClipboard.copy(a,b);mxClipboard.insertCount=0;mxClipboard.removeCells(a,b,!1);return b},removeCells:function(a,b,c){a.removeCells(b,c)},copy:function(a,b){b=b||a.getSelectionCells();b=a.getExportableCells(a.model.getTopmostCells(b));mxClipboard.insertCount=1;mxClipboard.setCells(a.cloneCells(b));