// create custom animation algorithm for jQuery called "bouncy"
$.easing.bouncy = function (x, t, b, c, d) {
    var s = 6;
    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: '+=14'}, 1000, 'bouncy', done).show();
	},
 
	// closing animation
	function(done) {
		this.getTip().animate({top: '-=20'}, 0, 'bouncy', function()  {
			$(this).hide();
			done.call();
		});
	}
);
 
 
$("#bottoni img[title], .quadretti img[title], .panca img[title],").tooltip({effect: 'bouncy'});