var langs,todo;
 todo=0;
 var http_request = false;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
			//alert(result);
			  str = result;
				//   alert(str);
				//  alert(langs);
				if(todo==0){   
					a=str.indexOf("islogged");
					
					if(langs=='lt')
					{
						alert1="Reikia prisijungti...";
						alert2="Įdėta į krepšelį...";
						
						
					}
					
					else{
					alert1="You need to login...";
					alert2="Putted into cart..";}
					if(a==-1)
					{
					alert(alert1);
					}
				
					else
					{

					alert(alert2);
					}
				}
				if(todo==1){ 
            document.getElementById('update_cart').innerHTML = result;   }      
         } else {
           // alert('There was a problem with the request.');
         }
      }
   }
   
   function sendRequest(how,id,lang,sid) {
	   var al;
	   langs=lang;
	   how=parseInt(how);
	   if(lang=='lt'){
		al="blogai nurodytas prekių kiekis...";
	   }
	   else{
		al="wrong good count...";
	   }   
		   
		
	   if(how >0){
      var poststr = "how="+how+"&id="+id+"&sid="+sid;
      makePOSTRequest('put.php', poststr);}
	  else{
		alert(al);  
	  }
   }
      function cartdel(item_id,user_id,lang) {
	   langs=lang;
	   todo=1;
      var poststr = "item_id="+item_id+"&user_id="+user_id+"&lang="+lang;
      makePOSTRequest('cartdel.php', poststr);
   }