this.containerElem = doc.getElementById("containerId");
ItsNatComponentManager compMgr = itsNatDoc.getItsNatComponentManager();
//Element listParentElem = itsNatDoc.getDocument().getElementById("circleListId");
this.circleList = (ItsNatFreeListMultSel)compMgr.addItsNatComponentById("circleListId","freeListMultSel",null);
circleList.setItsNatListCellRenderer(new CircleRenderer());
circleList.setItsNatListCellEditor(null); // No se visualizar el <input> metido en un elemento svg incluso aunque se a�ada el namespace
circleList.getListSelectionModel().addListSelectionListener(this);
DefaultListModel model = (DefaultListModel)circleList.getListModel();