public DefaultInventory(Trade instance, String otherPlayerName, int rows){
		
		size = rows * 9;
		
		inventory = instance.getServer().createInventory(this, size, generateTitle(otherPlayerName));
		
		acceptSlot = 3;
		refuseSlot = 4;
		statusSlot = 5;
		
		ownSlots = new ArrayList<Integer>(rows*4-1);
		otherSlots = new ArrayList<Integer>(rows*4-1);
		seperatorSlots = new ArrayList<Integer>(rows-1);
		
		for(int slot = 0; slot < rows * 9; slot++){
			if(slot != acceptSlot && slot != refuseSlot && slot != statusSlot){
				int collum = slot % 9;
				if(collum < 4){
					ownSlots.add(slot);
				}
				if(collum == 4){
					seperatorSlots.add(slot);
				}
				if(collum > 4){
					otherSlots.add(slot);
				}
			}
		}
		
		for(int slot : seperatorSlots){
			inventory.setItem(slot, seperatorItem);
		}
		
		inventory.setItem(acceptSlot, acceptItem);
		inventory.setItem(refuseSlot, refuseItem);
		inventory.setItem(statusSlot, pendingItem);
		
	}