/**
* Generic text field switcher
* 
* Licensed Under The MIT License
* 
* Copyright (c) 2011 Voxex Limited, Dan Ladds
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

(function ($) {

    // Switcher
    jQuery.fn.switchr = function () {
        return this.each(function () {

            $this = $(this);

            if ($this.attr('rel') == '') return;

            $this.focus(function () {
                box = $(this);

                if (box.val() == box.attr('rel')) {
                    box.val('');
                    box.addClass('switch-active');
                }
            });

            $this.blur(function () {
                box = $(this);

                if (box.val() == '') {
                    box.val(box.attr('rel'));
                    box.removeClass('switch-active');
                }
            });

            // Blank field if it has default value when any form is submitted
            (function (tb) {
                $('form').submit(function () {

                    if (tb.val() == tb.attr('rel')) {
                        tb.val('');
                    }
                });
            })($this);

            // Initial check (empty or changed)
            if ($this.val() == '') $this.val($this.attr('rel'));
            else if ($this.val() != $this.attr('rel')) $this.addClass('switch-active');
        });
    };

})(jQuery);