/*
0: Uninitialized
1: Loading
2: Loaded
3: Interactive
4: Finished
*/

var xmlHttp;

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");
		}
	}
	
	if ( xmlHttp == null ) {
		alert ("Browser does not support HTTP Request");
		return;
	} else {
		return xmlHttp;
	}
}

// Add To Basket
function addToBasket(items, quantity, car_id) { 
	
	xmlHttp=GetXmlHttpObject()
	
	var itemUrl = "";
	for (var i = 0; i < items.length; i++) {
		itemUrl = "item_code[" + i + "]=" + items[i] + "&" + itemUrl;
	}
	
	var url = "/functions/basket.php?ajaxRequest=addToBasket&action=add_to_basket&quantity=" + quantity + "&car_id=" + car_id + "&" + itemUrl;

	xmlHttp.onreadystatechange=handleBasket;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
	
	//Open basketSign
	showBasketSign();
}

function handleBasket() { 
	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete") { 
		modelsLoaded = 1;
		document.getElementById("top_basket").innerHTML=xmlHttp.responseText;
	} else {
		basketBlink();
	}
	
}