var xmlhttp

function showCat(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="xml/advertise.xml.php";
url=url+"?"+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("current").innerHTML = '';
document.getElementById("current").innerHTML = '<img src="images/common/indicator.gif">';
}
if (xmlhttp.readyState==4)
{
//document.getElementById("current").innerHTML=xmlhttp.responseText;
	var _back = document.getElementById('back');
	var _current = document.getElementById('current');	
	var _next = document.getElementById('next');
	var _table = document.getElementById('table');
	var _all = document.getElementById('all');
	var g= xmlhttp.responseText;
	var mySplitResult = g.split("|");
	_back.innerHTML=(mySplitResult[0]); 
	_current.innerHTML=(mySplitResult[1]);
	_next.innerHTML=(mySplitResult[2]);
	_table.innerHTML=(mySplitResult[3]);
	_all.innerHTML=(mySplitResult[4]);
}
}

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;
}