var m_names = new Array("January", "February", "March", "April", "May", "June", 
  "July", "August", "September", "October", "November", "December");

var d = new Date();
var curr_date = d.getDate();
var sup = "";
if (curr_date == 1 || curr_date == 21 || curr_date ==31) { sup = "st"; }
else if (curr_date == 2 || curr_date == 22) { sup = "nd"; }
else if (curr_date == 3 || curr_date == 23) { sup = "rd"; }
else { sup = "th"; }

var curr_month = d.getMonth();
var curr_year = d.getFullYear();

document.write(curr_date + "<SUP>" + sup + "</SUP> " + m_names[curr_month] + " " + curr_year);