jQuery elasout easing function that is condensed but passes JSLint

jquery.elasout.js

//borrowed from jQuery easing plugin
//http://gsgd.co.uk/sandbox/jquery.easing.php
$.easing.elasout = function(x, t, b, c, d){
    var s=1.70158, p=0, a=c;
    if(t===0){return b;}
    if((t/=d)===1){return b+c;}
    if(!p){p=d*0.3;} 
    if(a < Math.abs(c)){a=c; s=p/4;}else{s = p/(2*Math.PI) * Math.asin(c/a);}
    return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
};