function haeKeikat() {
  var xmlHttp;
  //xmlHttp.overrideMimeType('text/xml; charset=iso-8859-1');
  
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
	
    xmlHttp.onreadystatechange=function(){
      if(xmlHttp.readyState==4)
        {
        document.getElementById('keikkalista').innerHTML=xmlHttp.responseText;
        }
    }

	var kaupunki = document.getElementById('kaupunki').value;
			
	var url="func/tulostakeikat.php";
	url=url+"?kaupunki="+kaupunki;
	
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
 }