Safari Reload Vim Plugin

.vimrc

autocmd BufWriteCmd *.html,*.css,*.gtpl :call Refresh_safari()
function! Refresh_safari()
  if &modified
    write
    execute "silent ! osascript ~/.vim/applescript/reload_safari.applescript"
  endif
endfunction

reload_safari.applescript

tell front window of application "Safari"
    set hscroll to (do JavaScript "(document.all ? document.scrollLeft : window.pageXOffset);" in current tab)
    set vscroll to (do JavaScript "(document.all ? document.scrollTop : window.pageYOffset);" in current tab)
    set the URL of current tab to URL of current tab
    set scrollCode to "window.scrollTo(" & hscroll & "," & vscroll & ");"

    --repeat until (do JavaScript "document.readyState" in document 1) is "complete"
    --end repeat

    delay 0.5 
    -- This is a complete hack. I originally tried to use JavaScript to wait until the page loaded,
    -- but I was unable to find a way to "block" execution in AppleScript.
    
    do JavaScript scrollCode in current tab
end tell