(function($) {
	$.fn.countdown = function(options, callback) {
	
	
	var settings = {'date': null };
	
	if (options){
		$.extend(settings, options);
	}
	
	this_sel = $(this);
	
	function count_exec() {
		
		eventDate = Date.parse(settings['date']) / 1000;
		currentDate = Math.floor($.now() / 1000 );
		
		if(eventDate <= currentDate) {
			callback.call(this);
			clearInterval(interval);
		}
		
		seconds = eventDate - currentDate;
		
		days = Math.floor(seconds / (60 * 60 * 24 ));
		seconds -= days * 60 * 60 * 24;
		
		hours = Math.floor(seconds / (60 * 60 ));
		seconds -= hours * 60 * 60;
		
		minutes = Math.floor(seconds / 60 );
		seconds -= minutes * 60;
		
		days = (String(days).length !== 3) ? '0' + days : days;
	
		hours = (String(hours).length !== 2) ? '0' + hours : hours;
		minutes = (String(minutes).length !== 2) ? '0' + minutes : minutes;
		seconds = (String(seconds).length !== 2) ? '0' + seconds : seconds;
		
		this_sel.find('.days').text(days);
		this_sel.find('.hours').text(hours);
		this_sel.find('.minutes').text(minutes);
		this_sel.find('.seconds').text(seconds);
		
		
	}
	
	count_exec();
	interval = setInterval(count_exec, 1000);
	
	}
})(jQuery);