window.defaultStatus = "Navstiv PMSoft";
// AJAX part
var xmlHttp;

function showHint(str)
{
if (str.length==0)
  { 
  document.getElementById("vysledek").innerHTML = "";
  return;
  }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url = "getip.php";
url = url + "?q=" + str;
xmlHttp.onreadystatechange = stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function tryCaptcha(str) 
{
  if (str.length == 0) {
    document.getElementById("captcha").innerHTML = "";
    return;
  }
  xmlHttp = GetXmlHttpObject();
  if (xmlHttp == null) {
    document.getElementById("captcha").innerHTML = "???";
    return;
  }
  var url = "trycaptcha.php";
  url += "?captcha=" +hex_md5(str);
  xmlHttp.onreadystatechange = stateChangedCaptcha;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function stateChangedCaptcha()
{ 
  if (xmlHttp.readyState==4)
  { 
	 document.getElementById("valid").innerHTML = xmlHttp.responseText;
  }
}

function stateChanged() 
{ 
  if (xmlHttp.readyState==4)
  { 
	document.getElementById("vysledek").innerHTML = xmlHttp.responseText;
  }
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}