jQuery(document).ready(function(){
    if (jQuery('#jc_hello_wrapper').length != 0){
        jc_hello_hide();
        if (jQuery.cookie('jc_hello') != '0'){
            // program the display
            setTimeout(jc_hello_show, 1500); 
        }
        jQuery('#jc_hello_trigger span').click(jc_hello_trigger);
    }
});

var jc_timeout = null;
function jc_hello_show(){
    jQuery('#jc_hello_wrapper:hidden')
        .slideDown('slow');
    jQuery('#jc_hello_trigger span')
        .removeClass('show')
        .addClass('hide');
    clearTimeout(jc_timeout);
    jc_timeout = setTimeout(jc_hello_hide, 30000); 
}

function jc_hello_hide(){
    jQuery('#jc_hello_wrapper:visible')
        .slideUp('slow');
    jQuery('#jc_hello_trigger span')
        .removeClass('hide')
        .addClass('show');
}
function jc_hello_trigger(){
    var clazz = jQuery('#jc_hello_trigger span').attr('class');
    if (clazz == 'hide'){
        jc_hello_deactivate();
    } else {
        jc_hello_activate();
    }
}
function jc_hello_activate(){
    // delete cookie
    jQuery.cookie('jc_hello', null);
    jc_hello_show();
}
function jc_hello_deactivate(){
    // discard 1 days
    jQuery.cookie('jc_hello', '0', {expire: 1});
    jc_hello_hide();
}

/**
 * jQuery Cookie plugin
 *
 * Copyright (c) 2010 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */
jQuery.cookie = function (key, value, options) {

    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        value = String(value);

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};