var xmlhttp;

function showProduct(str,pageid){
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null){
	  alert ("Browser does not support HTTP Request");
	  return;
	 }
	var url="retrieveData.php";
	url=url+"?page="+str+"&pre="+pageid;
	//alert(url);
	//url+="&pageid="+pageid;
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
	//alert("SHow");
}

function stateChanged()
{
if (xmlhttp.readyState==4){
document.getElementById("productresults").innerHTML=xmlhttp.responseText;
//document.getElementById("productresults").innerHTML="<center><img src=\"images/ajax-loader2.gif\"></center>";
//opacity('productresults', 0, 100, 1000)
}
//render loading
if (xmlhttp.readyState==1){
document.getElementById("productresults").innerHTML="<center style=\"position: absolute; top: 50%; left:30%;\"><img src=\"images/ajax-loader2.gif\"></center>";
//opacity('productresults', 0, 100, 1000)
}
if (xmlhttp.readyState==1||xmlhttp.readyState==2||xmlhttp.readyState==3){
document.getElementById("productresults").innerHTML="<center style=\"position: absolute; top: 50%; left:30%;left:30%;\"><img src=\"images/ajax-loader2.gif\"></center>";
//opacity('productresults', 0, 100, 1000)
}
}

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;
}