/*
 * 
 * jFontSizer Plugin
 * Written by fluidByte - http://www.fluidbyte.net
 * 
 */
jQuery.fn.jfontsizer = function (o) {
    function setCookie(c_name, value, expiredays) {
        var exdate = new Date();
        exdate.setDate(exdate.getDate() + expiredays);
        document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString())
    }

    function getCookie(c_name) {
        if (document.cookie.length > 0) {
            c_start = document.cookie.indexOf(c_name + "=");
            if (c_start != -1) {
                c_start = c_start + c_name.length + 1;
                c_end = document.cookie.indexOf(";", c_start);
                if (c_end == -1) c_end = document.cookie.length;
                return unescape(document.cookie.substring(c_start, c_end))
            }
        }
        return ""
    }
    var o = jQuery.extend({
        applyTo: 'body',
        changesmall: '2',
        changelarge: '2',
        expire: 30
    }, o);
    var s = '';
    var m = '';
    var l = '';
    var c = 'fs_med';
    if (getCookie('fsizer') != "") {
        var c = getCookie('fsizer');
        switch (c) {
        case 'fs_sml':
            s = 'fsactive';
            $(o.applyTo).css('font-size', '.' + (10 - o.changesmall) + 'em');
            break;
        case 'fs_med':
            m = 'fsactive';
            $(o.applyTo).css('font-size', '1em');
            break;
        case 'fs_lrg':
            l = 'fsactive';
            $(o.applyTo).css('font-size', '1.' + o.changelarge + 'em');
            break
        }
    }
    else {
        m = "fsactive"
    }
    $(this).html('<div class="fsizer"><a id="fs_sml" class="' + s + '" title="' + o.changesmall_title + '">A</a><a id="fs_med" class="' + m + '" title="' + o.reset_title + '">A</a><a id="fs_lrg" class="' + l + '" title="' + o.changelarge_title + '">A</a><br style="clear: both" /></div>');
    $('.fsizer a').click(function () {
        var t = $(this).attr('id');
        setCookie('fsizer', t, o.expire);
        $('.fsizer a').removeClass('fsactive');
        $(this).addClass('fsactive');
        var f = $(o.applyTo).css('font-size');
        switch (t) {
        case 'fs_sml':
            $(o.applyTo).css('font-size', '.' + (10 - o.changesmall) + 'em');
            break;
        case 'fs_med':
            $(o.applyTo).css('font-size', '1em');
            break;
        case 'fs_lrg':
            $(o.applyTo).css('font-size', '1.' + o.changelarge + 'em');
            break
        }
    })
};