function getXMLHttpRequestObject()
{
	try{
  		return new XMLHttpRequest();
	}
	catch(e){
		try{
  			return new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e){
			return false;
		}
	}
}

var XMLHttpRequestObject = getXMLHttpRequestObject();

function search(query)
{
 if(XMLHttpRequestObject){
  var p = document.getElementById("results");
  XMLHttpRequestObject.open("GET", "engine.php?query="+query);
  XMLHttpRequestObject.onreadystatechange = function()
  {
	if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
	{
		p.innerHTML = XMLHttpRequestObject.responseText;
	}
  }
  XMLHttpRequestObject.send(null);
}
}
function advert()
{
  var p = document.getElementById("reklama");
  XMLHttpRequestObject.open("GET", "ad.php");
  XMLHttpRequestObject.onreadystatechange = function()
  {
	if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
	{
		p.innerHTML = XMLHttpRequestObject.responseText;
	}
  }
  XMLHttpRequestObject.send(null);
}

function hide()
{
document.getElementById("reklama").style.width = 30;
document.getElementById("results").style.width=970;
document.getElementById("reklama").innerHTML = "<div onclick=\"show();\">--Pokaż--</div>";
}
function show()
{
document.getElementById("reklama").style.width ="20%";
document.getElementById("results").style.width = "80%";
advert();
}