$(document).ready(function(){

    var numItems = $("#rotate-one .turn").length;
   
    var randomNum = Math.ceil(Math.random()*numItems);
    var randomNum = randomNum - 1;
    $("#rotate-one #turn-one" + randomNum).css({'display' : 'block'});
    
});

$(document).ready(function(){

    var numItems = $("#rotate-two .turn").length;
   
    var randomNum = Math.ceil(Math.random()*numItems);
    var randomNum = randomNum - 1;
    $("#rotate-two #turn-two" + randomNum).css({'display' : 'block'});
    
});