Synchronous file load

var board = JXG.JSXGraph.initBoard('jxgbox');
JXG.FileReader.parseFileContent('http://jsxgraph.uni-bayreuth.de/geonext/point.ggb', board, 'GeoGebra', false);

board.create('point',[0,0],{fixed:true, name:'jsxpoint1', size:1});

var J = JXG.getReference(board, "jsxpoint1");
var G = JXG.getReference(board, "geogebrapoint1");

J.setProperty({size: 10});
G.setProperty({size: 10});