.ready(function () {

// fill in submitter info when an author button is clicked

$("form.idsubmit button.author")

.on("click", function () {

var name = $(this)

.data("name");

var email = $(this)

.data("email");

$(this)

.parents("form")

.find("input[name=submitter-name]")

.val(name || "");

$(this)

.parents("form")

.find("input[name=submitter-email]")

.val(email || "");

});

$("form.idsubmit")

.on("submit", function () {

if (this.submittedAlready)

return false;

else {

this.submittedAlready = true;

return true;

}

});

$("form.idsubmit #add-author")

.on("click", function () {

// clone the last author block and make it empty

var cloner = $("#cloner");

var next = cloner.clone();

next.find('input:not([type=hidden])')

.val('');

// find the author number

var t = next.children('h3')

.text();

var n = parseInt(t.replace(/\D/g, ''));

// change the number in attributes and text

next.find('*')

.each(function () {

var e = this;

$.each(['id', 'for', 'name', 'value'], function (i, v) {

if ($(e)

.attr(v)) {

$(e)

.attr(v, $(e)

.attr(v)

.replace(n - 1, n));

}

});

});

t = t.replace(n, n + 1);

next.children('h3')

.text(t);

// move the cloner id to next and insert next into the DOM

cloner.removeAttr('id');

next.attr('id', 'cloner');

next.insertAfter(cloner);

});

});