var xmlHttp

function showResult(str)
{
  if (str.length==0)
  { 
    document.getElementById("livesearch").
    innerHTML="";
    document.getElementById("livesearch").
    style.border="0px";
    return
  }

  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
  {
    alert ("O Browser não suporta pedidos HTTP")
    return
  } 

  var url="livesearch.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 || xmlHttp.readyState=="complete")
  { 
    document.getElementById("livesearch").
    innerHTML=xmlHttp.responseText;
    document.getElementById("livesearch").
    style.border="1px solid #A5ACB2";
  } 
}

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;
}