var httpobject;

function getInfo(str,length)
{
 if(str.length != 0)
 {
httpobject=GetHttpObject();
if (httpobject !=null)
  {
 var url="autocomplete.php";
 url=url+"?str="+str;
 url=url+"&length="+length;
 httpobject.onreadystatechange=stateChanged;
 httpobject.open("GET",url,true);
 httpobject.send(null);
 }
 }
 else
 {
  document.getElementById("autoSuggestionsList").innerHTML="";
  
 }
 
}

function stateChanged()
{
if (httpobject.readyState==4)
{
document.getElementById("autoSuggestionsList").innerHTML=httpobject.responseText;

}
}

function GetHttpObject()
{
if (window.ActiveXObject) 
  return new ActiveXObject("Microsoft.XMLHTTP");
  else if (window.XMLHttpRequest) 
  return new XMLHttpRequest();
  else 
  {
  alert("Your browser does not support AJAX.");
  return null;
  }
}