return pluginList.substring(0,(pluginList.length()-1));
if (pluginList != "") { return pluginList.substring(0,(pluginList.length()-1)); } else { return null; }
	public String getSelectedPlugins() {		String pluginList = "";		if (selectedPlugins != null) {		  for (Iterator iterator = selectedPlugins.iterator(); iterator		    .hasNext();) {		    pluginList= (pluginList + iterator.next().toString() + ",");		  } 		}		return pluginList.substring(0,(pluginList.length()-1)); 	}	 