Edit in JSFiddle

var dayNames = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");

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

var dt = new Date();
var y = dt.getYear();

// Y2K compliant
if (y < 1000) y += 1900;

document.write(dayNames[dt.getDay()] + ", " + monthNames[dt.getMonth()] + " " + dt.getDate() + ", " + y);