(function($, window, undefined){
var lastTime=0,
running,
animate=function (elem){
if(running){
window.requestAnimationFrame(animate, elem);
jQuery.fx.tick();
}},
vendors=['ms', 'moz', 'webkit', 'o'];
for(var x=0, len=vendors.length; x < len&&!window.requestAnimationFrame; ++x){
window.requestAnimationFrame=window[vendors[x]+'RequestAnimationFrame'];
window.cancelAnimationFrame=window[vendors[x]+'CancelAnimationFrame']
|| window[vendors[x]+'CancelRequestAnimationFrame'];
}
if(!window.requestAnimationFrame)
window.requestAnimationFrame=function(fn, element){
var currTime=new Date().getTime(),
delta=currTime - lastTime,
timeToCall=Math.max(0, 16 - delta);
var id=window.setTimeout(function(){
fn(currTime + timeToCall);
},
timeToCall
);
lastTime=currTime + timeToCall;
return id;
};
if(!window.cancelAnimationFrame){
window.cancelAnimationFrame=function(id){
clearTimeout(id);
};}
jQuery.fx.timer=function (timer){
if(timer()&&jQuery.timers.push(timer)&&!running){
running=true;
animate(timer.elem);
}};
jQuery.fx.stop=function(){
running=false;
};}(jQuery, this));