Working .vimrc

version 5.0
set nocompatible
let cpo_save=&cpo
set cpo=B
map! <xHome> <Home>
map! <xEnd> <End>
map! <S-xF4> <S-F4>
map! <S-xF3> <S-F3>
map! <S-xF2> <S-F2>
map! <S-xF1> <S-F1>
map! <xF4> <F4>
map! <xF3> <F3>
map! <xF2> <F2>
map! <xF1> <F1>
map <xHome> <Home>
map <xEnd> <End>
map <S-xF4> <S-F4>
map <S-xF3> <S-F3>
map <S-xF2> <S-F2>
map <S-xF1> <S-F1>
map <xF4> <F4>
map <xF3> <F3>
map <xF2> <F2>
map <xF1> <F1>
let &cpo=cpo_save
unlet cpo_save
set ruler
set backspace=2
syntax on
set showmode
" set showcmd

set ts=8 sw=8

" Cycle tab stops
function! Toggle_Tab_Width()
	if &ts == 2
		set ts=4 sw=4
	elseif &ts == 4
		set ts=8 sw=8
	else
		set ts=2 sw=2
	endif
endfunction

" Assign this function to :TG
command! TG call Toggle_Tab_Width()
command! TS call Toggle_Tab_Width()

" Use a much more readable color scheme as default
colorscheme evening