public boolean isItemConnected(int xx, int yy) {
		try { if(enabledGrid[xx-1][yy]) return true; } catch (Exception e) {}
		try { if(enabledGrid[xx+1][yy]) return true; } catch (Exception e) {}
		try { if(enabledGrid[xx][yy+1]) return true; } catch (Exception e) {}
		try { if(enabledGrid[xx][yy-1]) return true; } catch (Exception e) {}
		return false;
	}