var asyncRequest = function() {
  function handleReadyState(o, callback) {
    if (o && o.readyState == 4 && o.status == 200) {
      if (callback) {
        callback(o);
      }
    }
  }
  var getXHR = function() {
    var http;
    try {
      http = new XMLHttpRequest;
        getXHR = function() {
          return new XMLHttpRequest;
        };
    }
    catch(e) {
      var msxml = [
        'MSXML2.XMLHTTP.3.0',
        'MSXML2.XMLHTTP',
        'Microsoft.XMLHTTP'
      ];
      for (var i=0, len = msxml.length; i < len; ++i) {
        try {
          http = new ActiveXObject(msxml[i]);
          getXHR = function() {
            return new ActiveXObject(msxml[i]);
          };
          break;
        }
        catch(e) {}
      }
    }
    return http;
  };
  return function(method, uri, callback, postData) {
    var http = getXHR();
    http.open(method, uri, true);
    handleReadyState(http, callback);
    http.send(postData || null);
    return http;
  };
}();


function add_to_cart(id){
	var cart_api_url = 'kauppa/ostoskori/api';

	asyncRequest('GET', cart_api_url + '/' + id);	
	document.getElementById('cart').src = document.getElementById('cart').src;
}

var bbbb=0;
var aaaa=0;
var cccc=0;
sarja = new Array();

function Lataa(){
	for(i=1; i<19; i++){
		sarja[i] = new Image();
		sarja[i].src = "img/" + i + ".jpg";
	}
	Anim();
}

function Anim(){
	if(aaaa<6){
		aaaa++;
		bbbb = aaaa+6;
		cccc = aaaa+12;
		document.left.src = sarja[aaaa].src;
		document.getElementById('header').style.backgroundImage = "url('" +sarja[bbbb].src + "')";
		document.right.src = sarja[cccc].src;
		setTimeout("Anim();",1200);
	}
	else{
		setTimeout("Animb();",1200);
	}
}

function Animb(){
	if(aaaa>1){
		aaaa--;
		bbbb = aaaa+6;
		cccc = aaaa+12;
		document.left.src = sarja[aaaa].src;
		document.getElementById('header').style.backgroundImage = "url('" +sarja[bbbb].src + "')";
		document.right.src = sarja[cccc].src;
		setTimeout("Animb();",1200);
	}
	else{
		setTimeout("Anim();",1200);
	}
}