js odpočet

<style type="text/css">
ins{text-decoration:none;}
</style>
<p>Do prvního data zbývá <ins id="jedna" datetime="5 17 2011 20:00:00 GMT"></ins></p>


<script type="text/javascript">
<!-- 
//predelavka http://www.geocities.com/SiliconValley/Lakes/8620/countdown.html
function toSt(n){
var s='';
if(n<10){s+='0';}
return s+n.toString();
}
function odpocet(kde){
var co=document.getElementById(kde).getAttribute('datetime');
var kdy=new Date(co);
var ted=new Date();
var jedu=Math.floor((kdy.getTime()-ted.getTime())/1000);
var den,hodin,minut,sekund;
if(jedu<=0){
document.getElementById(kde).innerHTML='je to tu';
return;
}
var sec=toSt(jedu%60);
jedu=Math.floor(jedu/60);
var min=toSt(jedu%60);
jedu=Math.floor(jedu/60);
var hod=toSt(jedu%24);
jedu=Math.floor(jedu/24);
var dnu=jedu;
if(sec==1){sekund=' sekunda';}
else if(sec==2||sec==3||sec==4){sekund=' sekundy';}
else{sekund=' sekund';}
if(min==1){minut=' minuta';}
else if(min==2||min==3||min==4){minut=' minuty';}
else{minut=' minut';}
if(hod==1){hodin=' hodina';}
else if(hod==2||hod==3||hod==4){hodin=' hodiny';}
else{hodin=' hodin';}
if(dnu==1){den=' den';}
else if(dnu==2||dnu==3||dnu==4){den=' dny';}
else{den=' dnů';}
   if(dnu==0){
 var tmp=' '+hod+hodin+', '+min+minut+', '+sec+ sekund; 
   }
   else 
var tmp=' '+dnu+den+', '+hod+hodin+', '+min+minut+', '+sec+ sekund;
document.getElementById(kde).innerHTML=tmp;
setTimeout("odpocet('"+kde+"')", 500);   
}
function init(){
odpocet('jedna');
}
window.onload=init;
// -->
</script>

<script type="text/javascript">

  function toSt(n){
    return (n<10 ? "0" : "") + n;
  };

  function odpocet(kde, kdy){
    var ted = Date.now ? Date.now() : (new Date).getTime(),
        jedu = Math.floor((kdy.getTime() - ted) / 1000),
        den, hodin, minut, sekund, sec, min, hod, dnu;

    if(jedu <= 0) return !(kde.innerHTML = "je to tu");
    
    sec = jedu % 60 >>> 0;
    jedu /= 60;
    min = jedu % 60 >>> 0;
    jedu /= 60;
    hod = jedu % 24 >>> 0;
    jedu /= 24;
    dnu = jedu >>> 0;

    if(sec === 1) sekund = " sekunda"; 
    else if(sec > 1 && sec <= 4) sekund = " sekundy";
    else sekund = " sekúnd";

    if(min === 1) minut= " minuta";
    else if(min > 1 && min <= 4) minut = " minúty";
    else minut = " minút";

    if(hod === 1) hodin = " hodina";
    else if(hod > 1 && hod <= 4) hodin = " hodiny";
    else hodin = " hodín";

    if(dnu === 1) den = " den";
    else if(dnu > 1 && dnu <= 4) den = " dni";
    else den = " dní";

    sec = toSt(sec);
    min = toSt(min);
    hod = toSt(hod);

    kde.innerHTML = (dnu ? " " + dnu + den + ", " : "") + hod + hodin + ", " + min + minut + ", " + sec + sekund;
  };

  window.onload = function() {
    var jedna = [document.getElementById("jedna"),,],
        dva = [document.getElementById("dva"),,],
        obnov = function() {
          odpocet.apply(this, jedna);
          odpocet.apply(this, dva);
        };

    jedna[1] = new Date(jedna[0].getAttribute("datetime"));
    dva[1] = new Date(dva[0].getAttribute("datetime"));
    
    obnov();
    setInterval(obnov, 1000);
  };

</script>

<ins id="jedna" datetime="October 13, 2012 11:13:34"></ins><br>
<ins id="dva" datetime="December 25, 2011 16:52:12"></ins>

$today    = date("n j Y H:i:s", time());
$tomorrow = date("n j Y H:i:s", time() + 86400);
$toyota   = date("n j Y H:i:s", time() + 86400 * 2);

session_start();
if(!isSet($_SESSION["cas"])
  $_SESSION["cas"] = time() + XYZ;
$cas = $_SESSION["cas"];