// JavaScript Document

/* The following function creates an XMLHttpRequest object... */
function createRequestObject()
{
  var request_o; //declare the variable to hold the object.
  var browser = navigator.appName; //find the browser name
  if(window.ActiveXObject){
    request_o = new ActiveXObject("Microsoft.XMLHTTP");
  }else{
    request_o = new XMLHttpRequest();
  }
  return request_o; //return the object
}
var http = createRequestObject();


function add_to_cart(product_id,item_id)
{
	if(document.ajaxInProgress) return;
	qty=document.getElementById('qty_'+item_id).value;
	//document.getElementById('div_left_status').innerHTML = web_root+'cart_ajax.php?action=add_to_cart&product_id='+product_id+'&item_id='+item_id+'&qty='+qty
	http.open('get', web_root+'cart_ajax.php?action=add_to_cart&product_id='+product_id+'&item_id='+item_id+'&qty='+qty, true);
	http.onreadystatechange = handle_add_to_cart1;
	http.send(null);
	document.ajaxInProgress = true;
}

function handle_add_to_cart1()
{
	if(http.readyState == 4){
		if (http.status == 200){
			var response = http.responseText;
			document.getElementById('div_left_status').innerHTML = response;
			document.ajaxInProgress = false;
			top_qty();
		} else {
			alert ( "Ajax Error - "+http_request.status );
		}
	}
}


function top_qty()
{
	if(document.ajaxInProgress) return;
	http.open('get', web_root+'cart_ajax.php?action=top_qty', true);
	http.onreadystatechange = handle_top_qty;
	http.send(null);
	document.ajaxInProgress = true;
}

function handle_top_qty()
{
	if(http.readyState == 4){
		if (http.status == 200){
			var response = http.responseText;
			//document.getElementById('div_header_cart').innerHTML = response;
			document.ajaxInProgress = false;
		} else {
			alert ( "Ajax Error - "+http_request.status );
		}
	}
}