ColorComment.vim

" To define toggle switch <C-G> to color the comments grey/darkblue
" Author: Anjishnu Sarkar
" Version: 1.0
" Date: 21/04/07
" Vim Version: 6.0
" Acknowledgement: www.vim.org -> Vim_Tip #1072
" ****************************************************************

" Exit quickly when:
" - this plugin was already loaded (or disabled)
" - when 'compatible' is set
if exists ("g:loaded_color_comment") || &cp
    finish
endif
let g:loaded_color_comment = 1

" To autoload grayed out comments
if !exists("s:c_color")
    let s:c_color = 1
    highlight Comment ctermfg=darkblue guifg=gray
endif

" To toggle between darkblue and gray colors for comments
function Color_comment()
    if  s:c_color == 1
        highlight Comment ctermfg=gray guifg=blue
        let s:c_color = 0
    else
        highlight Comment ctermfg=darkblue guifg=gray
        let s:c_color = 1
    endif
endfunction

" To map the function to keyboard <C-G>
nmap <C-G> :call Color_comment()<CR>