code: private void setLookAndFeel(String lookAndFeelClassName)
  	{
  		try
  		{
  	        javax.swing.UIManager.setLookAndFeel(lookAndFeelClassName);
  		}
  		catch (Throwable e)
  		{
  			showMessage("The selected Look&Feel is not supported or not reachable through the classpath. Switching to system default...");
  	        try
  	        {
  	        	lookAndFeelClassName = javax.swing.UIManager.getSystemLookAndFeelClassName();
  	            javax.swing.UIManager.setLookAndFeel(lookAndFeelClassName);
  	        }
  	        catch (Throwable e1)
  	        {
  				Log.error("[MainForm]", e1);
  	        }
  		}
  	}
docs: set the selected look and feel
  @since 01.07.2006
  @param lookAndFeelClassName
  @return