(function() {
var FX = {
easing: {
linear: function(progress) {
return progress;
},
quadratic: function(progress) {
return Math.pow(progress, 2);
},
swing: function(progress) {
return 0.5 - Math.cos(progress * Math.PI) / 2;
},
circ: function(progress) {
return 1 - Math.sin(Math.acos(progress));
},
back: function(progress, x) {
return Math.pow(progress, 2) * ((x + 1) * progress - x);
},
bounce: function(progress) {
for (var a = 0, b = 1, result; 1; a += b, b /= 2) {
if (progress >= (7 - 4 * a) / 11) {
return -Math.pow((11 - 6 * a - 11 * progress) / 4, 2) + Math.pow(b, 2);
}
}
},
elastic: function(progress, x) {
return Math.pow(2, 10 * (progress - 1)) * Math.cos(20 * Math.PI * x / 3 * progress);
}
},
animate: function(options) {
var start = new Date;
var id = setInterval(function() {
var timePassed = new Date - start;
var progress = timePassed / options.duration;
if (progress > 1) {
progress = 1;
}
options.progress = progress;
var delta = options.delta(progress);
options.step(delta);
if (progress == 1) {
clearInterval(id);
options.complete();
}
}, options.delay || 10);
},
fadeOut: function(element, options) {
var to = 1;
this.animate({
duration: options.duration,
delta: function(progress) {
progress = this.progress;
return FX.easing.swing(progress);
},
complete: options.complete,
step: function(delta) {
element.style.opacity = to - delta;
}
});
},
fadeIn: function(element, options) {
var to = 0;
this.animate({
duration: options.duration,
delta: function(progress) {
progress = this.progress;
return FX.easing.swing(progress);
},
complete: options.complete,
step: function(delta) {
element.style.opacity = to + delta;
}
});
}
};
window.FX = FX;
function getCookie(cname) {
var name = cname + "=";
var decodedCookie = decodeURIComponent(document.cookie);
var ca = decodedCookie.split(';');
for(var i = 0; i