$(document).ready(function() {
  $("#navigation li a").tooltip({
    // place tooltip on the right edge
    position: "center right",
    
    // a little tweaking of the position
    offset: [0, -50],
    
    // use the built-in fadeIn/fadeOut effect
    effect: "fade",
    
    // custom opacity setting
    opacity: 0.7,
    
    // use this single tooltip element
    tip: ".tooltip"
  });
});