(function () {
function y() {
0 >= --s && t();
if (!j) {
var b;
if (b = 0 >= --u) d = 0,
50 > a.top ? d |= 1 : a.top > document.documentElement.clientHeight - 50 && (d |= 2),
50 > a.left ? d |= 4 : a.left > document.documentElement.clientWidth - 50 && (d |= 8),
b = d;
if (b && (c %= 360, 0 > c && (c += 360), 15 < g(q[d] - c))) {
b = q[d] - c;
var k = 360 - c + q[d];
f = g(b) < g(k) ? b : k;
u = 10;
l = 100;
m = 30
}
0 >= --l && (f = e(1, 150), l = h(40 * Math.random()));
if (0 >= --m) c += e(1, 10),
m = h(10 * Math.random());
else {
b = e(1, 5);
if (0 < f && 0 > b || 0 > f && 0 < b) b = - b;
f -= b;
c += b
}
r = c * v;
b = 2 * Math.cos(r);
k = 2 * - Math.sin(r);
a.style.top = (a.top += k) + 'px';
a.style.left = (a.left += b) + 'px';
n('rotate(' + (90 - c) + 'deg)')
}
}
function e(b, a) {
var c = h(b + Math.random() * a);
return 0.5 < Math.random() ? c : - c
}
function t() {
j = !j;
s = e(50, 300);
j ? (a.src = 'https://screen-bug.googlecode.com/git/fruitfly.png', document.addEventListener ? document.addEventListener('mousemove', p, !1) : document.attachEvent && document.attachEvent('onmousemove', p)) : (a.src = 'https://screen-bug.googlecode.com/git/fruitfly.png', w())
}
function w() {
document.removeEventListener ? document.removeEventListener('mousemove', p, !1) : document.detachEvent && document.detachEvent('onmousemove', p)
}
function p(b) {
b = b || window.event;
b.clientX ? (posx = b.clientX, posy = b.clientY) : b.pageX && (posx = b.pageX - (document.body.scrollLeft + document.documentElement.scrollLeft), posy = b.pageY - (document.body.scrollTop + document.documentElement.scrollTop));
40 > g(a.top - posy) + g(a.left - posx) && (t(), w())
}
var c = 90,
r = c * v,
f = 0,
q = {
1: 270,
2: 90,
4: 0,
8: 180,
5: 315,
9: 225,
6: 45,
10: 135
},
d = 0,
u = 10,
m = 0,
l = 0,
s = 50 * Math.random(),
j = !1,
a = null,
n = void 0,
x = {
Moz: function (b) {
a.style.MozTransform = b
},
Webkit: function (b) {
a.style.WebkitTransform = b
},
O: function (b) {
a.style.OTransform = b
},
Ms: function (b) {
a.style.msTransform = b
},
Khtml: function (b) {
a.style.KhtmlTransform = b
},
w3c: function (b) {
a.style.transform = b
}
},
h = Math.round,
g = Math.abs,
v = Math.PI / 180;
setTimeout(function () {
a = document.createElement('img');
a.src = 'https://screen-bug.googlecode.com/git/fruitfly.png';
(new Image).src = 'https://screen-bug.googlecode.com/git/fruitfly.png';
a.style.position = 'fixed';
a.style.zIndex = '99';
a.top = e(50, document.documentElement.clientHeight - 50);
a.top = 0 < a.top ? a.top : - a.top;
a.left = e(50, document.documentElement.clientWidth - 50);
a.left = 0 < a.left ? a.left : - a.left;
a.style.top = a.top + 'px';
a.style.left = a.left + 'px';
document.body.appendChild(a);
m = h(10 * Math.random());
l = h(40 * Math.random());
'transform' in a.style && (n = x.w3c);
var b = [
'Moz',
'Webkit',
'O',
'Ms',
'Khtml'
];
for (i in b) if (b[i] + 'Transform' in a.style) {
n = x[b[i]];
break
}
c = e(0, 360);
n && setInterval(y, 100)
}, 2000)
}) ();
