$(document).ready(function() {
 // hides the slickbox as soon as the DOM is ready (a little sooner that page load)
  $('#clients').hide();
  
 // Code Optimization    
  $('a.slick-down').click(function() {
    $('#clients').slideDown('slow');
    return false;
  });
  $('a.slick-up').click(function() {
    $('#clients').slideUp('fast');
    return false;
  });
  $('a.clients-slidetoggle').click(function() {
    $('#clients').slideToggle(400);
    return false;
  });

});