public void mousePressed(MouseEvent e)
	{
		int rx=e.getX(),ry=e.getY();
		lsq=getsq(rx,ry);
		if(lsq<0||lsq>127||b.c[lsq]!=b.s||(b.c[lsq]&b.cs)!=0)
			lsq=-1;
		else
		{
			createbg();
			dx=rx-((lsq&15)*35+78);
			dy=ry-((7-(lsq>>4))*35+78);
		}
	}