Use JavaScript to change the display properties.
The function being plotted is: 1/((x-0.5)*(x-0.5)+y*y+0.0001)-1/((x+0.5)*(x+0.5)+y*y+0.0001). Note the small offset from (0,0) to avoid a bug in the contour plot at the singularity.
mode Test
style Test
view