public String docType(Properties ctx,int WindowNo,GridTab mTab,GridField mField,Object value){
  setDocumentNo(ctx,WindowNo,mTab);
  return "";
}

public String docType ( Properties ctx , int WindowNo , GridTab mTab , GridField mField , Object value ) { setDocumentNo ( ctx , WindowNo , mTab ) ; return "" ; }
document type . - called from doctype
