var target_date = new Date('may, 25, 2018').getTime();
			 
			// variables for time units
			var days, hours, minutes, seconds;
			 
			// get tag element
			var countdown = document.getElementById('countdown');
			 
			// update the tag with id "countdown" every 1 second
			setInterval(function () {
			 
				// find the amount of "seconds" between now and target
				var current_date = new Date().getTime();
				var seconds_left = (target_date - current_date) / 1000;
			 
				// do some time calculations
				days = parseInt(seconds_left / 86400);
				seconds_left = seconds_left % 86400;
				 
				hours = parseInt(seconds_left / 3600);
				seconds_left = seconds_left % 3600;
				 
				minutes = parseInt(seconds_left / 60);
				seconds = parseInt(seconds_left % 60);
				 
				// format countdown string + set tag value
				countdown.innerHTML = '<span class="days">' + days +  ' <label>Days</label></span> <span class="hours">' + hours + ' <label>Hours</label></span> <span class="minutes">'
				+ minutes + ' <label>Mins</label></span> <span class="seconds">' + seconds + ' <label>Secs</label></span>';  
			 
			}, 1000);