/*********************************************

jQuery extended placeholder plugin.
Text, password, and textarea fields supported.
Version: 0.9.2
Author: Sergey Estrin
Site: http://g-rain-design.ru/en/jquery/placeholder/
Released under the MIT License.

*********************************************/

(function ($) {

    $.fn.placeholder_clear = function () {

        var arPlaceholders = $(this).data("placeholders");

        $(this).find("input[placeholder], textarea[placeholder]").each(function () {

            var field_name = $(this).attr("name");

            if (field_name in arPlaceholders)
                if ($(this).val() == arPlaceholders[field_name])
                    $(this).val("");

        });

    };


    $.fn.placeholder_focus = function (caption) {

        if (this.val() == caption) {
            this.val("");
            this.removeClass($.fn.placeholder_options.placeholded_class);
        }

    };

    $.fn.placeholder_blur = function (caption) {

        if (this.val() == "") {
            this.val(caption);
            this.addClass($.fn.placeholder_options.placeholded_class);
        }

    };

    $.fn.placeholder_password_focus = function (caption) {

        if (!this.is(':password')) {

            if (this.val() == caption) {
                var new_input = $('<input type="password" name="' + this.attr('name') + '" value="" />');
                new_input.attr("placeholder", caption);
                new_input.attr("class", this.attr("class"));
                new_input.removeClass("pie_first-child"); // PIE compatibility
                new_input.removeClass($.fn.placeholder_options.placeholded_class);
                new_input.blur(function () { new_input.placeholder_password_blur(caption); });
                this.replaceWith(new_input);
                new_input.focus();
                new_input.focus();
            }

        }

    };

    $.fn.placeholder_password_blur = function (caption) {

        if (this.is(':password')) {

            if (this.val() == "") {
                var new_input = $('<input type="text" name="' + this.attr('name') + '" value="' + caption + '" />');
                new_input.attr("placeholder", caption);
                new_input.attr("class", this.attr("class"));
                new_input.removeClass("pie_first-child"); // PIE compatibility
                new_input.addClass($.fn.placeholder_options.placeholded_class);
                new_input.focus(function () { new_input.placeholder_password_focus(caption); });
                this.replaceWith(new_input);
            }

        }

    };

    $.fn.placeholder = function (opts) {

        if (opts != null)
            for (var index in opts)
                if ($.fn.placeholder_options[index] != null)
                    $.fn.placeholder_options[index] = opts[index];

        var elements = this;

        if ($.fn.placeholder_options.container) {
            $($.fn.placeholder_options.container_selector).each(function () {
                var caption = $(this).find($.fn.placeholder_options.caption_selector + ":first").html();
                var input = $(this).find("input:text:first, input:password:first, textarea:first");
                if (caption && input[0]) {
                    input.attr("placeholder", caption);
                    elements.push(input);
                }
            });
        }

        elements.each(function () {

            var input = $(this);

            var caption = $.fn.placeholder_options.caption_prefix + input.attr("placeholder") + $.fn.placeholder_options.caption_postfix;

            var pform = input.parents('form:first');
            var pdata = pform.data("placeholders");
            if (!(pdata instanceof Array)) pdata = [];
            //pdata.push({ name: input.attr("name"), caption: caption });
            pdata[input.attr("name")] = caption;

            pform.data("placeholders", pdata);
            pform.unbind("submit", $.fn.placeholder_clear).bind("submit", $.fn.placeholder_clear);

            if (input.is(':password')) {

                input.placeholder_password_blur(caption);
                input.focus(function () { input.placeholder_password_focus(caption); });
                input.blur(function () { input.placeholder_password_blur(caption); });

            } else {

                input.placeholder_blur(caption);
                input.focus(function () { input.placeholder_focus(caption); });
                input.blur(function () { input.placeholder_blur(caption); });

            }

        });

    };

    // default options

    $.fn.placeholder_options = {
        placeholded_class: "placeholded",
        caption_prefix: "",
        caption_postfix: "",
        container: false,
        container_selector: ".form-field-container",
        caption_selector: ".form-field-caption"
    };


})(jQuery);


$().ready(function () {

    $(":input[placeholder], textarea[placeholder]").placeholder();
    //$(":input[placeholder], textarea[placeholder]").placeholder({container: true});

});