$(document).ready(function() {
    var NUM_STARS = 5;
    $("#rating-box > li > a").click(function(event) { /* A rating star was clicked */
        var i, j;
        var stars = $("#rating-box > li > a");
        /* Identify which star was clicked */
        for (i=0; i<NUM_STARS; i++) {
            if (this==stars[i]) break;
        }

        /* i holds the selected rating; select the proper radio button */
        $("#rating-buttons > input")[i+1].checked = true; /* +1 because of the "None" button */

        /* Light up the correct number of stars */
        for (j=0; j<=i; j++)
            $("#rating-box > li:eq("+j+")").addClass("active");
        for (; j<NUM_STARS; j++)
            $("#rating-box > li:eq("+j+")").removeClass("active");
        
        event.preventDefault();
    });
});