planes.setScreenCharAndAttr(sp, ' ', 32, false);
	protected void createScrollBar(int flag, int totalRowScrollable,			int totalColScrollable, int sliderRowPos, int sliderColPos,			int sbSize) {		//      System.out.println("Scrollbar flag: " + flag +		//                           " scrollable Rows: " + totalRowScrollable +		//                           " scrollable Cols: " + totalColScrollable +		//                           " thumb Row: " + sliderRowPos +		//                           " thumb Col: " + sliderColPos +		//                           " size: " + sbSize +		//                           " row: " + getRow(lastPos) +		//                           " col: " + getCol(lastPos));		int sp = lastPos;		int size = sbSize - 2;		int thumbPos = (int) (size * (float) ((float) sliderColPos / (float) totalColScrollable));		//      System.out.println(thumbPos);		planes.setScreenCharAndAttr(sp,' ', 32, false);		planes.setUseGUI(sp,BUTTON_SB_UP);		int ctr = 0;		while (ctr < size) {			sp += numCols;			planes.setScreenCharAndAttr(sp,' ', 32, false);			if (ctr == thumbPos)				planes.setUseGUI(sp,BUTTON_SB_THUMB);			else				planes.setUseGUI(sp, BUTTON_SB_GUIDE);			ctr++;		}		sp += numCols;		planes.setScreenCharAndAttr(sp, ' ', 32, false);		planes.setUseGUI(sp, BUTTON_SB_DN);	}