if(paraphrasingPanel.getThreadInProgress() == false){
this.paraphrasingOutput.setAnimationVisible();
clearAllHighlighting();
paraphrasingPanel.setThreadInProgress(true);
webService = new WebServiceThread(paraphrasingPanel);
webService.start();
webService = null;
}
else{
JOptionPane.showMessageDialog(null, Messages.getString("Paraphrasing.Webservice.ThreadInProgress.Message"),