position.insertRow(0);
position.insertCell(0, 0);
position.insertCell(0, 1);
position.insertRow(1);
position.insertCell(1, 0);
position.insertCell(1, 1);
position.setWidget(0, 0, herePosition);
position.setWidget(0, 1, topPosition);
position.setWidget(1, 0, bottomPosition);
position.setWidget(1, 1, floatPosition);
oneColumn = new RadioButton("expansion", "One column");