A oferta sairá do ar em breve if(document.cookie && document.cookie.match('myClock')){ // get deadline value from cookie var cookiedate = document.cookie.match(/(^|;)myClock=([^;]+)/)[2]; var countDownDate = new Date(cookiedate); document.getElementById("contador").innerHTML = "A oferta sairá do ar em breve"; } // otherwise, set a deadline 2880 minutes from now and // save it in a cookie with that name else{ // create deadline 48 hours (2880 minutes) from now var timeInMinutes = 20; var currentTime = Date.parse(new Date()); var countDownDate = new Date(currentTime + timeInMinutes*60*1000); // store deadline in cookie for future reference document.cookie = 'myClock=' + countDownDate + '; path=/'; } // Update the count down every 1 second var x = setInterval(function() { // Get today's date and time var now = new Date().getTime(); // Find the distance between now and the count down date var distance = countDownDate - now; // Time calculations for days, hours, minutes and seconds var days = Math.floor(distance / (1000 * 60 * 60 * 24)); var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60)); var seconds = Math.floor((distance % (1000 * 60)) / 1000); // Output the result in an element with id="contador" document.getElementById("contador").innerHTML = "A oferta sairá do ar em " + minutes + "m " + seconds + "s"; // If the count down is over, write some text if (distance < 0) { clearInterval(x); document.getElementById("contador").innerHTML = "A oferta sairá do ar em breve."; } }, 1000);