private void setSPA_Houston(String cityShopXML){
	  URL url=null;
	  if (decisionProcess == null){
			if (url_status){//if network file is available
				  try {
						  url = new URL (urlStr + cityShopXML);
						  decisionProcess = new GasDecisionProcess(url, cityShopXML);
						  startPanel.appendText(">> Received the business XML data file... \n" +
												">> Successfully initialized.  Click the Start button.");
						  startPanel.enableStartButton();
				  }catch(MalformedURLException em) {
						  try{
								// Get the local file instead.
									decisionProcess = new GasDecisionProcess(cityShopXML);		
								startPanel.appendText(">> Using a local data file... \n" +
                                                      ">> Successfully initialized.  Click the Start button.");
								startPanel.enableStartButton();
						  }catch(Exception ex){
							printError(startPanel, ex, url.toString());
								  return;
						  }
				  }catch (Exception  e ) {
					printError(startPanel, e, url.toString());
				  }
			}else{
				  try{
						// Get the local file instead.
						decisionProcess = new GasDecisionProcess(cityShopXML);	
						startPanel.appendText(">> Using a local data file... \n" +
                                              ">> Successfully initialized.  Click the Start button.");
						startPanel.enableStartButton();
				  }catch(Exception exc){
					printError(startPanel, exc, url.toString());
				  }
			}
	  }
  }