/*
* jQuery In-field Labels Plugin v1.0
* http://richardscarrott.co.uk/posts/view/jquery-in-field-labels
*
* Copyright (c) 2010 Richard Scarrott
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Requires jQuery v1.3+
*
*/

(function($) {
$.fn.inFieldLabels = function(filter) {

var removeLabel = function($input) {
// remove label if in 'label' state
if ($input.hasClass('dummy')) {
$input.hide().prev('input').show().focus();
}
else if ($input.hasClass('label')) {
$input.removeClass('label').val('');
}
};

var addLabel = function($input) {
var label = $input.data('label'),
val = $input.val();

// add label if val is empty
if ($input.is('input:password') && (val === '')) {
$input.hide().next('input').val(label).show();
}
else if (val === '') {
$input.addClass('label').val(label);
}
};

return this.each(function() {
var $form = $(this),
$inputs = $form.find('input[type=text], input[type=password], textarea');

if (filter) {$inputs = $inputs.filter(filter);}

$inputs.each(function() {
var $input = $(this),
label = $form.find('label[for=' + $input.attr('id') + ']').hide().text();

$input.data('label', label)
.focus(function() {
removeLabel($input);
}).blur(function() {
addLabel($input);
});

if ($input.is('input:password')) {
var $dummy = $('<input type="text" class="dummy label" />').insertAfter($input).focus(function() {
removeLabel($dummy);
});
if ($input.val() !== '') {$dummy.hide();}
}
addLabel($input);
});

$form.submit(function() {
$inputs.each(function() {
removeLabel($(this));
});
});
});
};
})(jQuery);