debug.js

//--------------------------------------------------------------------
// Tabs
//--------------------------------------------------------------------

var tabLinks = new Array();
var contentDivs = new Array();

function init() {

    // Grab the tab links and content divs from the page
    var tabListItems = document.getElementById('tabs').childNodes;
    console.log(tabListItems);
    for (var i = 0; i < tabListItems.length; i++) {
        if (tabListItems[i].nodeName == "LI") {
            var tabLink = getFirstChildWithTagName(tabListItems[i], 'A');
            var id = getHash(tabLink.getAttribute('href'));
            tabLinks[id] = tabLink;
            contentDivs[id] = document.getElementById(id);
        }
    }

    // Assign onclick events to the tab links, and
    // highlight the first tab
    var i = 0;

    for (var id in tabLinks) {
        tabLinks[id].onclick = showTab;
        tabLinks[id].onfocus = function () { this.blur() };
        if (i == 0) {
            tabLinks[id].className = 'active';
        }
        i++;
    }

    // Hide all content divs except the first
    var i = 0;

    for (var id in contentDivs) {
        if (i != 0) {
            console.log(contentDivs[id]);
            contentDivs[id].className = 'content hide';
        }
        i++;
    }
}

//--------------------------------------------------------------------

function showTab() {
    var selectedId = getHash(this.getAttribute('href'));

    // Highlight the selected tab, and dim all others.
    // Also show the selected content div, and hide all others.
    for (var id in contentDivs) {
        if (id == selectedId) {
            tabLinks[id].className = 'active';
            contentDivs[id].className = 'content';
        }
        else {
            tabLinks[id].className = '';
            contentDivs[id].className = 'content hide';
        }
    }

    // Stop the browser following the link
    return false;
}

//--------------------------------------------------------------------

function getFirstChildWithTagName(element, tagName) {
    for (var i = 0; i < element.childNodes.length; i++) {
        if (element.childNodes[i].nodeName == tagName) {
            return element.childNodes[i];
        }
    }
}

//--------------------------------------------------------------------

function getHash(url) {
    var hashPos = url.lastIndexOf('#');
    return url.substring(hashPos + 1);
}

//--------------------------------------------------------------------

function toggle(elem) {
    elem = document.getElementById(elem);

    if (elem.style && elem.style['display']) {
        // Only works with the "style" attr
        var disp = elem.style['display'];
    }
    else if (elem.currentStyle) {
        // For MSIE, naturally
        var disp = elem.currentStyle['display'];
    }
    else if (window.getComputedStyle) {
        // For most other browsers
        var disp = document.defaultView.getComputedStyle(elem, null).getPropertyValue('display');
    }

    // Toggle the state of the "display" style
    elem.style.display = disp == 'block' ? 'none' : 'block';

    return false;
}