super();
yoshikoder = yk;
DocumentList dl = yk.getProject().getDocumentList();
YKDocument[] docarray =
(YKDocument[])dl.toArray(new YKDocument[dl.size()]);
doc1combo = new JComboBox(docarray);
doc2combo = new JComboBox(docarray);
YKDocument doc = yoshikoder.getSelectedDocument();
if (doc != null){