function countdown(area, seconds, forward){
  if(seconds > 1){
    seconds--;
    document.getElementById(area).innerHTML = seconds;
    setTimeout (function(){countdown(area, seconds, forward)}, 1000 );    
  }
  
  else{
    document.getElementById(area).innerHTML = forward;
  }
}


var http = false;
if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
}


function replace(url, id) {
  document.getElementById(id).innerHTML = "<img src='/images/loading.gif'>";
  http.open("GET", url, true);
  http.onreadystatechange=function() {
    if(http.readyState == 4) {
      document.getElementById(id).innerHTML = http.responseText;
    }
  }
  http.send(null);
}