[pstricks] psPolynomial and arrows

[Ryan Higginbottom]

Is there any way to specify the arrows used by the \psPolynomial?  I've
searched on this briefly, but I can't find anything.  For example, the
code below produces a parabola with no arrowhead.

Thanks for your help.

Ryan Higginbottom 

----------
\documentclass{article}
\usepackage{pstricks}
\usepackage{pst-func}
\begin{document}
\psPolynomial[coeff=-1 0 1,arrows=<->]{-2}{2}
\end{document}


 
____________________________________________________________________________________
Sucker-punch spam with award-winning protection. 
Try the free Yahoo! Mail Beta.
http://advision.webevents.yahoo.com/mailbeta/features_spam.html