var xmlhttp;

function go(q)
{

xmlhttp=GetXmlHttpObject();

if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }

var url="http://www.songdad.com/gq.php";
url=url+"?q="+q;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);

}

function stateChanged()
{

if (xmlhttp.readyState==1||xmlhttp.readyState==2||xmlhttp.readyState==3)
  {
  document.getElementById("txt").innerHTML="<img src='http://www.songdad.com/loading.gif'/>";
  }


if (xmlhttp.readyState==4)
  {
  document.getElementById("txt").innerHTML="";
  window.location=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;
}