Here is countdown script:
<?
$day = 1;
$month = 1;
$year = 2006;
$end = mktime(0,0,0,$month,$day,$year);
$today= mktime(date("G"),date("i"),
date("s"),date("m"),date("d"),date("Y"));
$days=($end-$today)/86400;
if ($days>0) {
$r1 = explode('.',$days);
$hours=24*($days-$r1[0]);
$r2 =...