/* Tool tip */
      // create custom animation algorithm for jQuery called "bouncy" 
      $.easing.bouncy = function (x, t, b, c, d) { 
          var s = 1.70158; 
          if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b; 
          return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b; 
      } 

      // create custom tooltip effect for jQuery Tooltip 
      $.tools.tooltip.addEffect("bouncy", 
          // opening animation 
          function(done) { 
              this.getTip().animate({top: '+=15'}, 500, 'bouncy', done).show(); 
          }, 
          // closing animation 
          function(done) { 
              this.getTip().animate({top: '-=15'}, 250, 'bouncy', function()  { 
                  $(this).hide(); 
                  done.call(); 
              }); 
          } 
      );
      $(document).ready(function() { 
          $("#projets a[title]").tooltip({tip: '#demotip', effect: 'bouncy', position: 'top center'}); 
      });