var xmlHttp;
var url; 
var account_div;
var showLoader = true;
var loader = "images/loader.gif";

function retrieveAJAX(div,box,param,type)
{
		url = "../ajax_boxes/"+ box +".php";
		
		account_div =document.getElementById(div);
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
	  	{
	  		alert ("Unable to comply, your browser does not support AJAX!");
	  		return;
	  	}
	  	
	  	if(type=="post")
	  	{
	  		param = param;
	  		post_data(url,param);
	  	}
	  	if(type=="get")
	  	{
	  		url= url+"?"+param ;
	  		//+"&sid="+Math.random();
	  		get_data(url);
	  	}
}

function get_data(url)
{

	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function post_data(url,param)
{
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("POST",url,true);
	xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
	xmlHttp.send(param);
}

function stateChanged() 
{ 	
	if (xmlHttp.readyState==4)
	{
		var responseText = xmlHttp.responseText;
		account_div.innerHTML=responseText;	
	}
	else
	{
		if(showLoader)
		{
			account_div.innerHTML="<div><img src='" + loader + "' /></div>";		
		}
	}
}


function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	  {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp=new XMLHttpRequest();
	  }
	catch (e)
	  {
	  // Internet Explorer
	  try
	    {
	    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	    }
	  catch (e)
	    {
	    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	    }
	  }
	return xmlHttp;
}