function utf8_decode (str_data) {
    // Converts a UTF-8 encoded string to ISO-8859-1
    //
    // version: 1103.1210
    // discuss at: http://phpjs.org/functions/utf8_decode
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +      input by: Aman Gupta
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Norman "zEh" Fuchs
    // +   bugfixed by: hitwork
    // +   bugfixed by: Onno Marsman
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: utf8_decode('Kevin van Zonneveld');
    // *     returns 1: 'Kevin van Zonneveld'
    var tmp_arr = [],
        i = 0,
        ac = 0,
        c1 = 0,
        c2 = 0,
        c3 = 0;

    str_data += '';

    while (i < str_data.length) {
        c1 = str_data.charCodeAt(i);
        if (c1 < 128) {
            tmp_arr[ac++] = String.fromCharCode(c1);
            i++;
        } else if (c1 > 191 && c1 < 224) {
            c2 = str_data.charCodeAt(i + 1);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
            i += 2;
        } else {
            c2 = str_data.charCodeAt(i + 1);
            c3 = str_data.charCodeAt(i + 2);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
            i += 3;
        }
    }

    return tmp_arr.join('');
}

function base64_decode (data) {
	// Decodes string using MIME base64 algorithm
	//
	// version: 1103.1210
	// discuss at: http://phpjs.org/functions/base64_decode
	// +   original by: Tyler Akins (http://rumkin.com)
	// +   improved by: Thunder.m
	// +      input by: Aman Gupta
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   bugfixed by: Onno Marsman
	// +   bugfixed by: Pellentesque Malesuada
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +      input by: Brett Zamir (http://brett-zamir.me)
	// +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// -    depends on: utf8_decode
	// *     example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA==');
	// *     returns 1: 'Kevin van Zonneveld'
	// mozilla has this native
	// - but breaks in 2.0.0.12!
	//if (typeof this.window['btoa'] == 'function') {
	//    return btoa(data);
	//}
	var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
	var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
		ac = 0,
		dec = "",
		tmp_arr = [];

	if (!data) {
		return data;
	}

	data += '';

	do { // unpack four hexets into three octets using index points in b64
		h1 = b64.indexOf(data.charAt(i++));
		h2 = b64.indexOf(data.charAt(i++));
		h3 = b64.indexOf(data.charAt(i++));
		h4 = b64.indexOf(data.charAt(i++));

		bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;

		o1 = bits >> 16 & 0xff;
		o2 = bits >> 8 & 0xff;
		o3 = bits & 0xff;

		if (h3 == 64) {
			tmp_arr[ac++] = String.fromCharCode(o1);
		} else if (h4 == 64) {
			tmp_arr[ac++] = String.fromCharCode(o1, o2);
		} else {
			tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
		}
	} while (i < data.length);

	dec = tmp_arr.join('');
	dec = this.utf8_decode(dec);

	return dec;
}

$(document).ready(function() {
	// Decode obfusacted e-mail addresses.
	$('.mailto').each(function() {
		var address = base64_decode($(this).html());
		var link = $('<a>').attr('href', 'mailto:' + address).html(address);
		$(this).html(link);
	});
});
