code: function(lan)
  	{
  		if (mxClient.languages != null)
  		{
  			return mxUtils.indexOf(mxClient.languages, lan) >= 0;
  		}
  		
  		return true;
  	}
docs: Function: isLanguageSupported
  
  Hook for subclassers to disable support for a given language. This
  implementation returns true if lan is in <mxClient.languages>.
  
  Parameters:
  
  lan - The current language.