countdown to christmas!

javascript-countdown.js

// Last work of "before the date is reached" message. Change the rest of it below...
var before = "Christmas!"

// text you want to show when the date is reached.
var current = "Today is Christmas. Merry Christmas!"

// Display Months
var montharray = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec")

function countdown(yr, m, d) {
    theyear = yr;
    themonth = m;
    theday = d;
    var today = new Date();
    var todayy = today.getYear();

    if (todayy < 1000){
        todayy += 1900
    }

    var todaym = today.getMonth();
    var todayd = today.getDate();
    var todayh = today.getHours();
    var todaymin = today.getMinutes();
    var todaysec = today.getSeconds();

    var todaystring = montharray[todaym] + " " + todayd + ", " + todayy + " " + todayh + ":" + todaymin + ":" + todaysec;

    futurestring = montharray[m - 1] + " " + d + ", " + yr;

    dd = Date.parse(futurestring) - Date.parse(todaystring);
    dday = Math.floor(dd / (60 * 60 * 1000 * 24) * 1);
    dhour = Math.floor((dd % (60 * 60 * 1000 * 24)) / (60 * 60 * 1000) * 1);
    dmin = Math.floor(((dd % (60 * 60 * 1000 * 24)) % (60 * 60 * 1000)) / (60 * 1000) * 1);
    dsec = Math.floor((((dd % (60 * 60 * 1000 * 24)) % (60 * 60 * 1000)) % (60 * 1000)) / 1000 * 1);
    
    if (dday == 0 && dhour == 0 && dmin == 0 && dsec == 1) {
        document.forms.count.count2.value = current;
        return;
    } else {
        document.forms.count.count2.value = "Only " + dday + " days, " + dhour + " hours, " + dmin + " minutes, and " + dsec + " seconds left until " + before;
    }
    
    setTimeout("countdown(theyear,themonth,theday)", 1000);
}

//enter the count down date using the format year/month/day
countdown(2002, 12, 25);