function whois()
{
var xmlHttp;
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('whois').innerHTML=xmlHttp.responseText;
      }else if (xmlHttp.readyState==0){
	  document.getElementById('whois').innerHTML='';
	  }else{
	  document.getElementById('whois').innerHTML='Checking...';
	  }
    }
	
  url = "whois.php?domain=" + document.forms[0].domain.value + "&tld=" + document.forms[0].tld.value;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
  }