// Add .left to leftmost items in the client list.
var ClientList = {
  classifyLeftItems: function() {
    var left;

    $$("#client-list li").each(function(element, index) {
      if (index == 0) {
        left = element.positionedOffset().left;
      }
      else if (left == element.positionedOffset().left) {
        element.addClassName("left");
      }
    });
  }
}

document.observe("dom:loaded", function() {
  ClientList.classifyLeftItems();
});