var dateString = "";
var dateObj = new Date();
var weekDay = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
var month = new Array("January","February","March","April","May","June","July","August","September","October","November","December");

dateString += weekDay[dateObj.getDay()] + ", ";
dateString += month[dateObj.getMonth()] + " ";
dateString += dateObj.getDate() + ", ";
dateString += dateObj.getFullYear();

document.write( dateString );