// JavaScript Document
// for Library categories combo box selection

var xmlhttp
function showLib(str) {
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
 }

var url="getLib.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;
}