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var rfa = null;
if (window.requestAnimationFrame) {
rfa = requestAnimationFrame;
} else if (window.webkitRequestAnimationFrame) {
rfa = webkitRequestAnimationFrame;
} else if (window.msRequestAnimationFrame) {
rfa = msRequestAnimationFrame;
} else if (window.oRequestAnimationFrame) {
rfa = oRequestAnimationFrame;
}
function animate(params, count) {
rfa(function() {
animateStep(params, count);
});
}
function animateStep(params, count) {
if (!count) {
document.documentElement.removeAttribute("class");
return;
}
var rel = document.getElementById("rel");
for (prop in params) {
rel.style[prop] = (parseInt(rel.style[prop]) + params[prop]) + "px";
}
rfa(function() {
animateStep(params, count - 10);
});
}