public static void line(double x1, double y1, double z1, double x2, double y2, double z2)
	{	
	    GL11.glBegin(GL11.GL_LINE_STRIP);
	    GL11.glVertex3d(x1, y1, z1);
	    GL11.glVertex3d(x2, y2, z2);
	    GL11.glEnd();
	}