now = new Date;
dayName= new Array ("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
monName= new Array ("January","February","March","April","May","June","July","August","September","October","November","December");

var ending="th";

var datum=now.getDate();
if (datum==1 || datum== 21 || datum==31) ending="st";
if (datum==2 || datum== 22) ending="nd";
if (datum==3 || datum== 23) ending="rd";

var dayline=dayName[now.getDay()]+", "+monName[now.getMonth()]+" "+now.getDate()+"<sup>"+ending+"</sup>";