var xmlHttp;
var targetDiv;

function pushPage(userURL,userGET,userDIV){
         xmlHttp=GetXmlHttpObject();
         if (xmlHttp==null){
           alert ("Your browser does not support AJAX!");
           return;
         }
         var url=userURL;
         url=url+"?sid="+Math.random();
         url=url+userGET;
         targetDiv = userDIV;
         xmlHttp.onreadystatechange=stateChanged;
         xmlHttp.open("GET",url,true);
         xmlHttp.send(null);
}

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;
}

function stateChanged()
{
  if (xmlHttp.readyState==4)
  {// 4 = "loaded"
  if (xmlHttp.status==200)
    {// 200 = "OK"
    if(targetDiv != "") document.getElementById(targetDiv).innerHTML=xmlHttp.responseText;
    }
  else
    {
    alert("Problem retrieving data:" + xmlHttp.statusText);
    }
  }
}

function stateChanged_addItem(){
  if (xmlHttp.readyState==4)
  {// 4 = "loaded"
  if (xmlHttp.status==200)
    {// 200 = "OK"
      var response = xmlHttp.responseText;
      var valarray = response.split(";")
      document.getElementById('shop_count').innerHTML=valarray[0];
      document.getElementById('shop_text').innerHTML=valarray[1];
      document.getElementById('shop_da').innerHTML=valarray[2];
      document.getElementById('shop_en').innerHTML=valarray[3];
    }
  else
    {
    alert("Problem retrieving data:" + xmlHttp.statusText);
    }
  }
}

function addItem(item){
         xmlHttp=GetXmlHttpObject();
         if (xmlHttp==null){
           alert ("Your browser does not support AJAX!");
           return;
         }
         var url= './php/basket.php?additem='+item;
         xmlHttp.onreadystatechange=stateChanged_addItem;
         xmlHttp.open("GET",url,true);
         xmlHttp.send(null);
}

function getBasket(){
         xmlHttp=GetXmlHttpObject();
         if (xmlHttp==null){
           alert ("Your browser does not support AJAX!");
           return;
         }
         var url= './php/basket.php?getbasket';
         xmlHttp.onreadystatechange=stateChanged_addItem;
         xmlHttp.open("GET",url,true);
         xmlHttp.send(null);
}