stock House_AddItem(houseid, item[], model, quantity = 1, slotid = -1)
{
    if (houseid == -1 || !HouseData[houseid][houseExists])
	    return false;

	new
		itemid = House_GetItemID(houseid, item),
		string[128];

	if (itemid == -1)
	{
	    itemid = House_GetFreeID(houseid);

	    if (itemid != -1)
	    {
	        if (slotid != -1)
	            itemid = slotid;

	        HouseStorage[houseid][itemid][hItemExists] = true;
	        HouseStorage[houseid][itemid][hItemModel] = model;
	        HouseStorage[houseid][itemid][hItemQuantity] = quantity;

	        strpack(HouseStorage[houseid][itemid][hItemName], item, 32 char);

			format(string, sizeof(string), "INSERT INTO `housestorage` (`ID`, `itemName`, `itemModel`, `itemQuantity`) VALUES('%d', '%s', '%d', '%d')", HouseData[houseid][houseID], item, model, quantity);
			mysql_tquery(g_iHandle, string, "OnStorageAdd", "dd", houseid, itemid);

	        return itemid;
		}
		return -1;
	}
	else
	{
	    format(string, sizeof(string), "UPDATE `housestorage` SET `itemQuantity` = `itemQuantity` + %d WHERE `ID` = '%d' AND `itemID` = '%d'", quantity, HouseData[houseid][houseID], HouseStorage[houseid][itemid][hItemID]);
	    mysql_tquery(g_iHandle, string);

	    HouseStorage[houseid][itemid][hItemQuantity] += quantity;
	}
	return itemid;
}