.cloneNode(true), 200, 80, 80, 30);
Object v4 = graph.insertVertex(parent, null, targetNode
.cloneNode(true), 200, 140, 80, 30);
graph.insertVertex(parent, null, subtargetNode, 200,
200, 80, 30);
Object v6 = graph.insertVertex(parent, null, sourceNode
.cloneNode(true), 20, 140, 80, 30);
graph.insertEdge(parent, null, "", v1, v2);
graph.insertEdge(parent, null, "", v1, v3);
graph.insertEdge(parent, null, "", v6, v4);
//Object e4 = graph.insertEdge(parent, null, "", v1, v4);