tabs.js

// Thanks to http://www.elated.com/articles/javascript-tabs/ for this code
// to create clickable 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;
  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 = "selected";
    i++;
  }

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

  for (var id in contentDivs) {
    if (i != 0) contentDivs[id].className = "tabContent 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 = "selected";
      contentDivs[id].className = "tabContent";
    } else {
      tabLinks[id].className = "";
      contentDivs[id].className = "tabContent 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 openResume() {
  window.open("Joyce_Zhu_Software_Engineering_Resume.pdf", "_blank");
  return false;
}