(function($){
	$(document).ready(function(){

	  if($("#form-password .error_form").get( ) != "")
	  {
      $('#form-login').hide();
	  }
	  else
	  {
      $('#form-password').hide();
	  }

	  $('.change-interface').show();

    $('.change-interface').click( function(event) {
      event.preventDefault();
      $('#form-password').animate({
        height: 'toggle'
      }, 'slow');
      $('#form-login').animate({
        height: 'toggle'
      }, 'slow');
    });

	});
})(jQuery);