var Tabs = {
    create : function() {
        // We search all the div with "tab" class
        var tabs = document.querySelectorAll('.tabelem');

        var current = null;

        // We create the list
        var html = '';
        for (var i=0; i<tabs.length; i++){
            if(window.location.hash == '#'+tabs[i].id)
                current = tabs[i].id;

            html += '<li class="' + tabs[i].id + '" onclick="Tabs.change(this, \'' + tabs[i].id + '\');">';
            html += '    <a href="#" onclick="actDifferent(event);">' + tabs[i].title + '</a>';
            html += '</li>';
        }

        // We show the first tab
        tabs[0].style.display = "inline-block";

        // We insert the list
        document.querySelector('#navtabs').innerHTML = html;

        if(current != null){
            tab = current;
            menuTab = document.querySelector('li.'+current);
        }

        //if no tab is active, activate the first one
        else {
            tab = document.querySelector('.tabelem').id;
            menuTab = document.querySelector('li.'+tab);
        }

        Tabs.change(menuTab, tab);
    },

    change : function(current, n){
        // We grab the tabs list
        var navtabs = document.querySelectorAll('#navtabs li');
        // We clean the class of the li
        for (var j=0; j<navtabs.length; j++) {
            navtabs[j].className = navtabs[j].className.split(" active")[0];
        }

        // We add the "on" class to the selected li
        current.className += ' active';

        // We hide all the div
        var tabs = document.querySelectorAll('.tabelem');
        for (var i=0; i<tabs.length; i++){
            tabs[i].style.display = 'none';
        }
        // We show the selected div
        var tabOn = document.querySelector('#'+n);
        tabOn.style.display = "block";

        var baseUrl = window.location.href.split('#')[0];
        window.location.replace(baseUrl + '#' + n);

        // We reset the scroll
        document.querySelector('#navtabs').parentNode.scrollTop = 0;
    }
}

movim_add_onload(function()
{
    Tabs.create();
});

function actDifferent(e){
    e.preventDefault();
    return false;
}