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 now = new Date();
        document.write(dayNames[now.getDay()] + ", " + 
        monthNames[now.getMonth()] + " " + 
        now.getDate() + ", " + now.getFullYear());