var xmlreqs= new Array();
var xmlhttp=false;
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlhttp = false;
  }
 }
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	try {
		xmlhttp = new XMLHttpRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}    

function queryString(parameter) { 
  var loc = location.search.substring(1, location.search.length);
  var param_value = false;
  var params = loc.split("&");
  for (i=0; i<params.length;i++) {
      param_name = params[i].substring(0,params[i].indexOf('='));
      if (param_name == parameter) {
          param_value = params[i].substring(params[i].indexOf('=')+1)
      }
  }
  if (param_value) {
      return param_value;
  }
  else {
      return false; //Here determine return if no parameter is found
  }
}

function loadpage(id) {
	if (xmlhttp) {
		if (id!=0) {
			document.getElementById('products').innerHTML = "<img src=\"/images/ajax-loader.gif\"><p>Please wait while the product section loads...</p>";
		 	xmlhttp.open("GET", "products.php?product_id="+id,true);
		} else {
			document.getElementById('products').innerHTML = "<img src=\"/images/ajax-loader.gif\"><p>Please wait while the product section loads...</p>";
			xmlhttp.open("GET", "products.php",true);
		}
 xmlhttp.onreadystatechange=function() {
  if (xmlhttp.readyState==4) {
   		var objresp = xmlhttp.responseText;
		document.getElementById('products').innerHTML = objresp;
  }
 }
 xmlhttp.send(null)
}
}