From 23e19a6445a6bd591c9b10732796e2f9b3eb2156 Mon Sep 17 00:00:00 2001
From: Eric Kever <lolbummer@gmail.com>
Date: Tue, 19 Jul 2011 17:33:08 -0400
Subject: [PATCH] Tabs are now pure Javascript, no jQuery.

---
 javascripts/app.js | 135 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 105 insertions(+), 30 deletions(-)

diff --git a/javascripts/app.js b/javascripts/app.js
index 38fb78a..ae5ba63 100644
--- a/javascripts/app.js
+++ b/javascripts/app.js
@@ -5,38 +5,113 @@
 * Free to use under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 7/17/2011
+* un-jQuerified by Eric Kever
 */	
 	
 
-$(document).ready(function() {
+if(window.addEventListener){
+    var BIND_HANDLER = "addEventListener";
+    var BIND_HANDLER_PREFIX = "";
+}else if(window.attachEvent){
+    var BIND_HANDLER = "attachEvent";
+    var BIND_HANDLER_PREFIX = "on";
+}
 
+function getElementsByClassName(context, tag, cls){
+    var ele = context.getElementsByTagName(tag),
+        ret = [],
+        current;
+    
+    for(var i = 0, j = ele.length; i < j; i++){
+        current = ele[i];
+        classes = (current.getAttribute("className") || current.className).split(" ");
+        for(var k = 0, l = classes.length; k < l; k++){
+            if(classes[k] === cls){
+                ret.push(current);
+                break;
+            }
+        }
+    }
+    
+    return ret;
+}
 
-	/* Tabs Activiation
-	================================================== */
-	var tabs = $('ul.tabs');
-	
-	tabs.each(function(i) {
-		//Get all tabs
-		var tab = $(this).find('> li > a');
-		tab.click(function(e) {
-			
-			//Get Location of tab's content
-			var contentLocation = $(this).attr('href') + "Tab";
-			
-			//Let go if not a hashed one
-			if(contentLocation.charAt(0)=="#") {
-			
-				e.preventDefault();
-			
-				//Make Tab Active
-				tab.removeClass('active');
-				$(this).addClass('active');
-				
-				//Show Tab Content & add active class
-				$(contentLocation).show().addClass('active').siblings().hide().removeClass('active');
-				
-			} 
-		});
-	}); 
-	
-});
\ No newline at end of file
+function addClass(element, name){
+    var classes = (element.getAttribute("className") || element.className).split(" "),
+        exists = false;
+    
+    for(i = 0, j = classes.length; i < j; i++){
+        if(classes[i] === name){
+            exists = true;
+            break;
+        }
+    }
+    if(!exists){
+        classes.push(name);
+        element.className = classes.join(" ");
+    }
+}
+
+function removeClass(element, name){
+    var classes = (element.getAttribute("className") || element.className).split(" "),
+        exists = false;
+    
+    for(var i = 0, j = classes.length; i < j; i++){
+        if(classes[i] === name){
+            exists = true;
+            break;
+        }
+    }
+    if(exists){
+        classes.splice(i, 1);
+        element.className = classes.join(" ");
+    }
+}
+
+function doFancyExpensiveTabThings(){
+    var tabs = getElementsByClassName(document, "ul", "tabs");
+    
+    for(var i = 0, j = tabs.length; i < j; i++){
+        var tabList = tabs[i].getElementsByTagName('li');
+        for(var k = 0, l = tabList.length; k < l; k++){
+            (function(){  //Need this because the click handler isn't called with the proper context in IE7/8.
+                var tab = tabList[k].getElementsByTagName('a')[0];
+                
+                tab[BIND_HANDLER](BIND_HANDLER_PREFIX + "click", function(e){
+                    var contentLocation = tab.href.substr(tab.href.indexOf("#")) + "Tab",
+                        event = e || window.event,
+                        contentElement,
+                        siblings;
+                    
+                    if(contentLocation.charAt(0) === "#"){
+                        if(e.preventDefault){
+                            e.preventDefault();
+                        }else{
+                            e.returnValue = false;
+                            e.cancelBubble = true;
+                        }
+                        
+                        for(var m = 0; m < k; m++){
+                            removeClass(tabList[m].getElementsByTagName('a')[0], "active");
+                        }
+                        addClass(tab, "active");
+                        
+                        contentElement = document.getElementById(contentLocation.substr(1));
+                        addClass(contentElement, "active");
+                        
+                        siblings = contentElement.parentNode.getElementsByTagName('li');
+                        for(m = 0, n = siblings.length; m < n; m++){
+                            if(siblings[m] !== contentElement){
+                                removeClass(siblings[m], "active");
+                            }
+                        }
+                    }
+                    return false;
+                });
+            })();
+        }
+    }
+}
+
+window[BIND_HANDLER](BIND_HANDLER_PREFIX + "load", doFancyExpensiveTabThings);
+doFancyExpensiveTabThings();
\ No newline at end of file