var xmlhttp
var div;
var icounters=1;
function iajax(nameoffiles,div1,val)
{
div = div1;
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return;
  }

var url=""+nameoffiles+".php";
url=url+"?val="+val;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById(div).innerHTML=xmlhttp.responseText;
  icounters++;
	  if(icounters <= 3)
	  {
		  if(icounters == 2) iajax('ajax_showstreet','street','');
		  else if(icounters == 3)  iajax('ajax_showzine','link','');
	  }
  }
}

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;
}