$(document).ready(function() {           
            function timestampToDate(timestamp) {
                var d = new Date(timestamp * 1000),    
                              weekdays = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
                              months =    [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
                              dd = ("0" + d.getDate()).slice(-2),           
                              day = weekdays[d.getDay()],
                              mm = ("0" + (d.getMonth() + 1)).slice(-2),    
                              month = months[d.getMonth()],
                              yyyy = d.getFullYear(),
                              hh = d.getHours(),
                              h = hh,
                              min = ("0" + d.getMinutes()).slice(-2),   
                              ampm = "AM",
                              time;

                if (h >= 12) {
                    h = h - 12;
                    ampm = "PM";
                }
                if (h == 0) {
                    h = 12;
                    ampm = "AM";
                }
                try {
                    time = "" + month + " " + dd + ", " + yyyy + " at " + hh + ":" + min + "";
                } catch( e ) {  }

                return time;
            }
        
            $(".updateTimestamp[timestamp]").each(function() {
                var time = timestampToDate( $(this).attr("timestamp") );
                if (time !== undefined && time !== null) {
                   $(this).text( timestampToDate( $(this).attr("timestamp") ) );             
                }                           
            });
        });