<!--
var xmlhttp

function showCD(str)
{
  xmlhttp=GetXmlHttpObject();
  if (xmlhttp==null)
  {
	alert ("Your browser does not support AJAX!");
    return;
  }
   var url="php/getcdajax.php";
   url=url+"?q="+str;
   url=url+"&sid="+Math.random();
   xmlhttp.onreadystatechange=stateChanged;
   xmlhttp.open("GET",url,true);
   xmlhttp.send(null);
}

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

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	{
	     // code for IE7+, Firefox, Chrome, Opera, Safari
		 return new XMLHttpRequest();
	}
	if (window.ActiveXObject)
	{
	     // code for IE6, IE5
		 return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}
//-->