fix colorscheme toggling

plugins.vim

@@ -8,27 +8,35 @@ call pathogen#helptags()
 catch
 endtry
 
-nmap <Leader>== :Tabularize /=<CR>
-vmap <Leader>== :Tabularize /=<CR>
-nmap <Leader>;; :Tabularize /:\zs<CR>
-vmap <Leader>;; :Tabularize /:\zs<CR>
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" colorscheme
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+let s:monochrome_color = "quiet"
+let s:colorful_color   = "PaperColor"
+
+call SetColorScheme(s:monochrome_color)
 
 " toggle monochrome/colorful
 nmap <Leader>h :call ToggleColorful()<CR>
 
-let s:colorful_color   = "PaperColor"
-let s:monochrome_color = "quiet"
-let s:lastcolor        = s:colorful_color
-
 function ToggleColorful()
 if exists("g:colors_name")
     if g:colors_name == s:colorful_color
-        let s:lastcolor = g:colors_name
         call SetColorScheme(s:monochrome_color)
     else
-        call SetColorScheme(s:lastcolor)
+        call SetColorScheme(s:colorful_color)
     endif
 else
-    call SetColorScheme(s:monochrome_color)
+    call SetColorScheme(s:colorful_color)
 endif
 endfunction
+
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" tabular
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+nmap <Leader>== :Tabularize /=<CR>
+vmap <Leader>== :Tabularize /=<CR>
+nmap <Leader>;; :Tabularize /:\zs<CR>
+vmap <Leader>;; :Tabularize /:\zs<CR>