curi.us reply/quote js proposal

// initializeComment blanks out the comment title and the comment author, sets the comment
// body to the given text, focuses the comment body, resizes the comment height to show
// all of the given text, and puts the cursor at the end of the comment body.
function initializeComment(text) {
  document.getElementById("comment_jebra").value = ""; // Title.
  document.getElementById("comment_comment_writer").value = ""; // Author.
  commentBody = document.getElementById("comment_argle"); // Body.
  window.location.href = "#post-comment"
  commentBody.focus();
  commentBody.value = text;
  autogrow()
}

function reply(commentNum) {
  initializeComment("#" + commentNum + " ");
}

function quote(commentNum) {
  reply("")
  var body = "";
  // Find the outer element for the comment to be quoted and get its child of class
  // "comment-body".  (There should be only one.) The innerText of this is what we want to
  // quote.
  var comment = document.getElementById(commentNum);
  for (var i = 0; i < comment.childNodes.length; i++) {
    if (comment.childNodes[i].className == "comment-body") {
      text = comment.childNodes[i].innerText.replace(/^(?=.)/mg, "> ");
      // Append a final pair of newlines if necessary.
      if (text.slice(-2) != "\n\n") {
        text = text + "\n\n";
      }
      initializeComment(text);
      break;
    }
  }
}