countdown.js

$(document).ready( function () {

    countDownElections();
    setInterval(countDownElections, 60000);
    countDownVotingPass();
    setInterval(countDownVotingPass, 60000);
    countDownVotingByPost();
    setInterval(countDownVotingByPost, 60000);

    function countDownElections() {
        var counter = $('#count-down-elections');
		var remaining = getRemainingTimeText('2016-03-05T07:00:00','#count-down-elections','Voľby sa už začali');
		if(remaining){
			var text = 'Do volieb zostáva: ' + remaining;
			counter.html(text);
		}
    }
	
    function countDownVotingPass() {
        var counter = $('#count-down-voting-pass');
		var remaining = getRemainingTimeText('2016-02-15T23:59:59','#count-down-voting-pass','Uplynul termín pre podanie žiadosti o hlasovací preukaz');
		if(remaining){
			var text = 'Pre podanie žiadosti o hlasovací preukaz ostáva: ' + remaining;
			counter.html(text);
		}
    }
    function countDownVotingByPost() {
        var counter = $('#count-down-vote-by-post');
		var remaining = getRemainingTimeText('2016-01-15T23:59:59','#count-down-vote-by-post','Uplynul termín pre podanie žiadosti o voľbu poštou');
		if(remaining){
			var text = 'Pre podanie žiadosti o hlasovací preukaz ostáva: ' + remaining;
			counter.html(text);
		}
    }
	
	
	function getRemainingTimeText(time,elid,timeouttext){
		var remainingTime = (new Date(time)).getTime() - Date.now();
		var counter = $(elid);
        if (remainingTime < 0) {
            counter.html(timeouttext);
            return;
        } else {
            var daysInfo = 90;
            var daysWarning = 60;
            var daysDanger = 30;

            if (daysNumber <= daysDanger && ! counter.hasClass('label-danger'))
                switchLabelClass('label-danger');
            else if (daysNumber <= daysWarning && ! counter.hasClass('label-warning'))
                switchLabelClass('label-warnign');
            else if (daysNumber <= daysInfo && ! counter.hasClass('label-info'))
                switchLabelClass('label-info')
        }

        var daysNumber = Math.floor(remainingTime / (24 * 60 * 60 * 1000));
        var dayInflection;
        if (daysNumber == 1)
            dayInflection = 'deň';
        else if (daysNumber > 1 && daysNumber < 5)
            dayInflection = 'dni';
        else
            dayInflection = 'dní';

        remainingTime -= daysNumber * (24 * 60 * 60 * 1000);

        var hoursNumber = Math.floor(remainingTime / (60 * 60 * 1000));
        var hourInflection;
        if (hoursNumber == 1)
            hourInflection = 'hodina';
        else if (hoursNumber > 1 && hoursNumber < 5)
            hourInflection = 'hodiny';
        else
            hourInflection = 'hodín';

        remainingTime -= hoursNumber * (60 * 60 * 1000);

        var minutesNumber = Math.floor(remainingTime / (60 * 1000));
        var minuteInflection;
        if (minutesNumber == 1)
            minuteInflection = 'minúta';
        else if (minutesNumber > 1 && minutesNumber < 5)
            minuteInflection = 'minúty';
        else
            minuteInflection = 'minút';

        return ''+ daysNumber +' '+ dayInflection + ', '+ hoursNumber +' '+ hourInflection +' a '+ minutesNumber +' '+ minuteInflection;

	}
});