var xmlHttp

function showAutoComplete(str)
{
if (str.length==0)
  { 
  document.getElementById("suggestbox").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()

var url="suggest.php?q="+str+"&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("suggestbox").innerHTML=xmlHttp.responseText 
 } 
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}