var year = 2010;
var month = '4'; // 1 through 12 or '*' within the next month, '0' for the current month
var day = '17';   // day of month or + day offset
var dow = 7;     // day of week sun=1 sat=7 or 0 for whatever day it falls on
var hour = 16;    // 0 through 23 for the hour of the day
var min = 30;    // 0 through 59 for minutes after the hour
var tz = -6;     // offset in hours from UTC to your timezone
var lab = 'cd';  // id of the entry on the page where the counter is to be inserted

function start() {
    displayCountdown(setCountdown(year, month, day, hour, min, tz), lab);
}
loaded(lab, start);

// Countdown Javascript
// copyright 20th April 2005, 1st November 2009 by Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration
// you may change the start function if required
var pageLoaded = 0; window.onload = function() { pageLoaded = 1; }
function loaded(i, f) {
    if (document.getElementById && document.getElementById(i) != null)
        f();
    else if (!pageLoaded)
        setTimeout('loaded(\'' + i + '\',' + f + ')', 100);
}
function setCountdown(year, month, day, hour, min, tz) {
    var m = month;
    if (month == '*') m = 0;
    var c = setC(year, m, day, hour, tz);
    if (month == '*' && c < 0) c = setC(year, '*', day, hour, tz);
    return c;
}
function setC(year, month, day, hour, tz) {
    var toDate = new Date();
    if (day.substr(0, 1) == '+') {
        var day1 = parseInt(day.substr(1));
        toDate.setDate(toDate.getDate() + day1);
    }
    else {
        toDate.setDate(day);
    }
    toDate.setFullYear(year);
    if (month == '*')
        toDate.setMonth(toDate.getMonth() + 1);
    else if (month > 0) {
//        if (month <= toDate.getMonth())
//            toDate.setFullYear(toDate.getFullYear() + 1);
        toDate.setMonth(month - 1);
    }
    if (dow > 0)
        toDate.setDate(toDate.getDate() + (dow - 1 - toDate.getDay()) % 7);
    toDate.setHours(hour);
    toDate.setMinutes(min - (tz * 60));
    toDate.setSeconds(0);
    var fromDate = new Date();
    fromDate.setMinutes(fromDate.getMinutes() + fromDate.getTimezoneOffset());
    var diffDate = new Date(0);
    diffDate.setMilliseconds(toDate - fromDate);
    return Math.floor(diffDate.valueOf() / 1000);
}
function displayCountdown(countdn, cd) {
    if (countdn < 0)
        document.getElementById(cd).innerHTML = "";
    else {
        var secs = countdn % 60;
        if (secs < 10) secs = '0' + secs;
        var countdn1 = (countdn - secs) / 60;
        var mins = countdn1 % 60;
        if (mins < 10) mins = '0' + mins;
        countdn1 = (countdn1 - mins) / 60;
        var hours = countdn1 % 24;
        var days = (countdn1 - hours) / 24;
        document.getElementById(cd).innerHTML = "&nbsp;(in " + days + ' days + ' + hours + ' : ' + mins + ' : ' + secs + ")";
        setTimeout('displayCountdown(' + (countdn - 1) + ',\'' + cd + '\');', 999);
    }
}