if(evt.getY() < insets.top)
if(evt.getY() <= insets.top)
			public void mouseMoved(MouseEvent evt)			{				Border border = getBorder();				Insets insets = border.getBorderInsets(TabbedPane.this);				int cursor = Cursor.DEFAULT_CURSOR;				canDrag = false;				if(position.equals(DockableWindowManager.TOP))				{					if(evt.getY() >= getHeight() - insets.bottom)					{						cursor = Cursor.N_RESIZE_CURSOR;						canDrag = true;					}				}				else if(position.equals(DockableWindowManager.LEFT))				{					if(evt.getX() >= getWidth() - insets.right)					{						cursor = Cursor.W_RESIZE_CURSOR;						canDrag = true;					}				}				else if(position.equals(DockableWindowManager.BOTTOM))				{					if(evt.getY() < insets.top)					{						cursor = Cursor.S_RESIZE_CURSOR;						canDrag = true;					}				}				else if(position.equals(DockableWindowManager.RIGHT))				{					if(evt.getX() < insets.left)					{						cursor = Cursor.E_RESIZE_CURSOR;						canDrag = true;					}				}				setCursor(Cursor.getPredefinedCursor(cursor));			}