function addItem(itemid, spanid, add) {
    spanElement = document.getElementById(spanid);
    items = Number(spanElement.innerHTML);
    if (isNaN(items)) {
        return false;
    } else {
        if (add) {
            if (items != 99) {
                setItemCookie(itemid, String(items + 1), spanid);
            }
        } else {
            if (items != 0) {
                setItemCookie(itemid, String(items - 1), spanid);
            }
        }
    }
}

var allItemsInCart = 0;

function setItemCookie (itemid, pieces, spanid) {
 		
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
            // See note below about this line
        }
    } 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) {
	    null;
		alert('No Http Request.');
	}
	
	//Sending data
	http_request.onreadystatechange = function () {
        setPipe();
    };
    
	http_request.open('GET', 'setitem.php?itemid=' + itemid + '&p=' + pieces, true);
	http_request.send(null);
	
	spanElement = document.getElementById(spanid);
	spanAttributes = spanElement.attributes;
	spanElement.innerHTML = String(pieces);
	
	if (Number(pieces) > 0) {
        spanAttributes.getNamedItem("class").value = "incart";
    } else {
        spanAttributes.getNamedItem("class").value = "notincart";
    }
}

function setPipe() {
	
	tdElement = document.getElementById('cartHolder');
	
	if (http_request.readyState == 4) {
       if (http_request.status == 200) {
          if (http_request.responseText == '') {
              allItemsInCart = 0;
          } else {
              allItemsInCart = http_request.responseText;
          }
          
          if (allItemsInCart != 0) {
             tdElement.innerHTML = 'A <a href="cart.php">kosaradban</a> <font class="largetext_highlight">&nbsp;<b>' + String(allItemsInCart) + '</b>&nbsp;</font> féle termék van.';
          } else {
             tdElement.innerHTML = 'A <a href="cart.php">kosarad</a> még üres.<br><a href="search.php?c=1" class="smalllinks">A Webshopba &raquo;</a>';
          }
          
       } else {
            null;
            alert('There was a problem with the request.');
       }
   }
	
}


function removeItemTable(spanID, tableID) {
    oS = document.getElementById(spanID);
    oT = document.getElementById(tableID);
    trashRemoveNode = oS.removeChild(oT);
}

function emptyCart(isProduct) {
    if (isProduct == 1) {
        if (confirm('Biztos, hogy üríti a kosarat?')) {
            location = 'cart.php?empty=yes';
        }
    } else {
        alert('Az Ön kosara üres.');
    }
}

function openDetails(id) {
    window.open('item.details.php?i=' + id, 'itemdetails', 'width=760, height=450, resizable=yes, scrollbars=yes');
}