PSU-EVAL

var point_max = 4; // maximum score
var point_min = 1; // minimum score


var r = document.getElementsByTagName("input");r.src = "https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js";
var or = "";
var pointer = 5;
for(var i=0;i<r.length;i++){
  if(r[i].type=="radio"){
    if(r[i].name != or){
      or=r[i].name;
      pointer=5;
      var point=Math.floor(Math.random()*((point_max+1)-point_min))+point_min;
    }else{
      pointer--;
    }if(pointer==point){
      r[i].checked="checked";
    }
  }
}