#!/bin/bash

[[ $2 == "" ]] && domain="mail" || domain="a/$2/"
uri=`echo "$1" | sed -e 's/subject=/su=/' -e 's/^mailto:\([^&?]\+\)[?&]\?\(.*\)$/\1\&\2/'`
firefox "https://mail.google.com/${domain}?view=cm&tf=0&to=$uri"