var month = '7';    
var day = '17';
var hour = 19;
var tz = 1;
var lab = 'timer';

function count_start() { 
	if (document.getElementById(lab)) { 
		displayCountDown(setCountDown(month,day,hour,tz),lab) 
	}
}
window.onload = count_start;
function setCountDown(month,day,hour,tz) 
{
var toDate = new Date();
if ('109' != toDate.getYear()) return -1;
if (month == '*')toDate.setMonth(toDate.getMonth() + 1);
else if (month > 0) 
{ 
if (month <= toDate.getMonth())toDate.setYear(toDate.getYear() + 1);
toDate.setMonth(month-1);
}
if (day.substr(0,1) == '+') 
{var day1 = parseInt(day.substr(1));
toDate.setDate(toDate.getDate()+day1);
} 
else{toDate.setDate(day);
}
toDate.setHours(hour);
toDate.setMinutes(0-(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(countdown,timer) 
{
if (countdown < 0) document.getElementById(timer).innerHTML = "It\'s Party Time!"; 
else {var secs = countdown % 60; 
if (secs < 10) secs = '0'+secs;
var countdown1 = (countdown - secs) / 60;
var mins = countdown1 % 60; 
if (mins < 10) mins = '0'+mins;
countdown1 = (countdown1 - mins) / 60;
var hours = countdown1 % 24;
var days = (countdown1 - hours) / 24;
document.getElementById(timer).innerHTML = days + " day" + (days == 1 ? '' : 's') + ' + ' +hours+ 'h : ' +mins+ 'm : '+secs+'s';
setTimeout('displayCountDown('+(countdown-1)+',\''+timer+'\');',999);
}
}