dukebody@906: function qid(id) {
dukebody@906:   return id.replace(/([.:])/g, "\\$1");
dukebody@906: }
dukebody@906: 
dukebody@906: function beforeComment(formData, jqForm, options) {
dukebody@906:   var form = jqForm[0];
dukebody@906:   if (!form.comment.value) {
dukebody@906:     $(options.target + " span.comment_error").empty().append(
dukebody@906:       "<span class=\"comment_error\">Your comment is empty</span>");
dukebody@906:     return false;
dukebody@906:   }
dukebody@906:   if (!form.name.value) {
dukebody@906:     $(options.target + " span.comment_error").empty().append(
dukebody@906:       "<span class=\"comment_error\">Please provide a name</span>");
dukebody@906:     return false;
dukebody@906:   }
dukebody@906:   $(options.target + " span.comment_error").empty().after(
dukebody@916:     "<img src=\"/support/icons/throbber.gif\" style=\"vertical-align: middle\"/>");
dukebody@906:   $(options.target + " input[@name=submit]").attr("disabled", true);
dukebody@906: }
dukebody@906: 
dukebody@906: function ajaxifyForm(id) {
dukebody@906:   var q = qid(id);
dukebody@906:   
dukebody@906:   $("#form_" + q).ajaxForm({ beforeSubmit: beforeComment,
dukebody@906: 			     success: function() { ajaxifyForm(id); },
dukebody@906: 			     target: "#comments_" + q });
dukebody@906: }
dukebody@906: 
dukebody@906: function toggleComment(id) {
dukebody@906:   $("#toggle_" + qid(id)).nextAll().toggle();
dukebody@906:   return false;
dukebody@906: }
dukebody@906: 
dukebody@906: function loadComments(id) {
dukebody@906:   $("#comments_" + qid(id)).load(location.protocol + "//" + location.host +
dukebody@906: 				 "/comments/single/" + id + "/", function() {
dukebody@906:     ajaxifyForm(id);
dukebody@906:   });
dukebody@906:   return false;
dukebody@906: }
dukebody@906: 
dukebody@906: function loadAllComments() {
dukebody@906:   $("a.commenttoggle").each(function() {
dukebody@906:     var id = $(this).attr("pid");
dukebody@906:     if (id) {
dukebody@906:       loadComments(id);
dukebody@906:     }
dukebody@906:   });
dukebody@906: }
dukebody@906: 
dukebody@906: $(document).ready(function() {
dukebody@906:   function loading(id) {
dukebody@906:     return " <span id=\"comments_" + id + "\" class=\"comment\">" +
dukebody@906:       "<span pid=\"" + id + "\" class=\"commenttoggle\">Loading..." +
dukebody@906:       "</span></span>";
dukebody@906:   }
dukebody@906:   $("div.toc>p")
dukebody@906:     .after("<p style='display: none;'><a onclick='return loadAllComments()'>" +
dukebody@906: 	   "Load all comments (<b>slow</b>)</a></p>")
dukebody@906:     .toggle(function() { $(this).nextAll().show("normal"); },
dukebody@906: 	    function() { $(this).nextAll().hide("normal"); })
dukebody@906:     .hover(function() { $(this).fadeTo("normal", 0.8); },
dukebody@906: 	   function() { $(this).fadeTo("normal", 0.35); });
dukebody@913:   $(".chapter p[@id]").each(function() {
dukebody@906:     $(this).append(loading($(this).attr("id")));
dukebody@906:   });
dukebody@913:   $(".chapter table[@id].equation").each(function() {
dukebody@908:     id = $(this).attr("id");
dukebody@908:     $("#" + id + " tr").after('<tr><td colspan="4">' + loading($(this).attr("id")) + '</td></tr>');
dukebody@906:   });
dukebody@913:   $(".chapter pre[@id]").each(function() {
dukebody@906:     $(this).after(loading($(this).attr("id")));
dukebody@906:   });
dukebody@906:   var chapid = $("div.preface, div.chapter, div.appendix, div.bibliography").attr("id");
dukebody@906:   $("#chapterfeed").attr("href",
dukebody@906: 			 $("#chapterfeed").attr("href") + chapid + "/");
dukebody@906:   $.getJSON(location.protocol + "//" + location.host + "/comments/chapter/" +
dukebody@906: 	    chapid + "/count/", function(data) {
dukebody@906:     $.each(data, function(id, item) {
dukebody@906:       var s = item == 1 ? "" : "s";
dukebody@906:       $("#comments_" + qid(id) + " span.commenttoggle").replaceWith(
dukebody@906:         "<a class='commenttoggle' id='toggle_" + id + "' " +
dukebody@906: 	"pid='" + id + "' " +
dukebody@906: 	"onclick='return loadComments(\"" + id + "\")' " +
dukebody@906: 	"href='comments: show / hide'>" + item + " comment" + s + "</a>");
dukebody@906:     });
dukebody@906:     $("span.commenttoggle").each(function() {
dukebody@906:       var id = $(this).attr("pid");
dukebody@906:       $(this).replaceWith("<a class='commenttoggle' id='toggle_" + id + "' " +
dukebody@906: 			  "onclick='return loadComments(\"" + id + "\")' " +
dukebody@906: 			  "href='comment: add'>No comments</a>");
dukebody@906:     });
dukebody@906:   });
dukebody@906: });