this is for holding javascript data
\newcommand{\hmsun}{h^{-1}{\rm M}_\odot}
\newcommand{\hmpc}{h^{-1}{\rm Mpc}}
\newcommand{\hkpc}{h^{-1}{\rm kpc}}
\newcommand{\msun}{{\rm M}_\odot}
\newcommand{\mpc}{{\rm Mpc}}
\newcommand{\kpc}{{\rm kpc}}
\newcommand{\kms}{{\rm ~km~s^{-1}}}
\documentclass{article}
\usepackage{amsfonts,amsmath,amssymb}
\usepackage{graphicx}
\usepackage{color}
\usepackage{url}
\bibliographystyle{plain}