then = new Date("7/17 2012");
begintext = "Der er ";
endtext = " til Canada.";

i=0;
function countdown()
{
  tmptime = new Date();
  tmptime = then-tmptime;

  taken = 0;
  outputstr = "";

  if(parseInt(tmptime/1000/60/60/24/356)!=0)
  {
    taken = parseInt(tmptime/1000/60/60/24/356)*1000*60*60*24*356;
    outputstr += parseInt(tmptime/1000/60/60/24/356)+" aar ";
  }
  tmptime -= taken;
  if(parseInt(tmptime/1000/60/60/24)!=0)
  {
    taken = parseInt(tmptime/1000/60/60/24)*1000*60*60*24;
    outputstr += parseInt(tmptime/1000/60/60/24)+" dage ";
  }
  tmptime -= taken;
  if(parseInt(tmptime/1000/60/60)!=0)
  {
    taken = parseInt(tmptime/1000/60/60)*1000*60*60;
    outputstr += parseInt(tmptime/1000/60/60)+" timer ";
  }
  tmptime -= taken;
  if(parseInt(tmptime/1000/60)!=0)
  {
    taken = parseInt(tmptime/1000/60)*1000*60;
    outputstr += parseInt(tmptime/1000/60)+" minutter ";
  }
  tmptime -= taken;
  if(parseInt(tmptime/1000)!=0)
  {
    taken = parseInt(tmptime/1000)*1000;
    outputstr += parseInt(tmptime/1000)+" sekunder ";
  }
  tmptime -= taken;
  document.getElementById("countdownoutput").innerHTML=begintext+outputstr+endtext;
}
countdown();
TI = setInterval("countdown()", 1000);