$(function() {
  $('hr').replaceWith('<div class="separator"></div>');
  $('.picture_slider').each(function() {
    var pos = 0;
    var container = $(this);
    var pictureWidth = $('.picture', container).width();
    if ($('.pictures_container li', container).length > 1) { 
      $('.left_button', container).click(function() {
        pos--;
        $('.pictures_container', container).animate({ left: pos * pictureWidth }, 'slow', function() {
          var cpos = $('.pictures_container', container).position();
          $('.pictures_container li', container).first().appendTo($('.pictures_container', container));
          $('.pictures_container', container).css({ left: cpos.left + pictureWidth });
          pos++;
        });
        return false;
      });
      $('.right_button', container).click(function() {
        var cpos = $('.pictures_container', container).position();
        $('.pictures_container li', container).last().prependTo($('.pictures_container', container));
        $('.pictures_container', container).css({ left: cpos.left - pictureWidth });
        $('.pictures_container', container).animate({ left: pos * pictureWidth }, 'slow', function() {
        });
        return false;
      });
    } else {
      $('.left_button', container).hide();
      $('.right_button', container).hide();
    }
  });
  $('#q').focus(function() {
    if ($(this).val() == "Rechercher") {
      $(this).val("");
    }
  })
  .blur(function() {
    if ($(this).val() == "") {
      $(this).val("Rechercher");
    }
  });
});