/*
 * Supersubs v0.2b - jQuery plugin
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 * 	http://www.opensource.org/licenses/mit-license.php
 * 	http://www.gnu.org/licenses/gpl.html
 */;
(function ($) {
    $.fn.supersubs = function (options) {
        var opts = $.extend({}, $.fn.supersubs.defaults, options);
        return this.each(function () {
            var $$ = $(this);
            var o = $.meta ? $.extend({}, opts, $$.data()) : opts;
            var fontsize = $('<li id="menu-fontsize">&#8212;</li>').css({
                'padding': 0,
                'position': 'absolute',
                'top': '-999em',
                'width': 'auto'
            }).appendTo($$).width();
            $('#menu-fontsize').remove();
            $ULs = $$.find('ul');
            $ULs.each(function (i) {
                var $ul = $ULs.eq(i);
                var $LIs = $ul.children();
                var $As = $LIs.children('a');
                var liFloat = $LIs.css('white-space', 'nowrap').css('float');
                var emWidth = $ul.add($LIs).add($As).css({
                    'float': 'none',
                    'text-align': 'right',
                    'width': 'auto'
                }).end().end()[0].clientWidth / fontsize;
                emWidth += o.extraWidth;
                if (emWidth > o.maxWidth) {
                    emWidth = o.maxWidth
                } else if (emWidth < o.minWidth) {
                    emWidth = o.minWidth
                }
                emWidth += 'em';
                $ul.css('width', emWidth);
                $LIs.css({
                    'float': liFloat,
                    'width': '100%',
                    'white-space': 'normal'
                }).each(function () {
                    var $childUl = $('>ul', this);
                    var offsetDirection = $childUl.css('left') !== undefined ? 'right' : 'right';
                    $childUl.css(offsetDirection, emWidth)
                })
            })
        })
    };
    $.fn.supersubs.defaults = {
        minWidth: 9,
        maxWidth: 25,
        extraWidth: 0
    }
})(jQuery);