fixing javascripts

app/assets/javascripts/application.js

@@ -1,2 +1,84 @@
-// Place your application-specific JavaScript functions and classes here
-// This file is automatically included by javascript_include_tag :defaults
+events = {};
+
+events['#password:keyup'] = function(element, e) {
+	passmeter();
+};
+
+function startup() {
+	EventSelectors.start(events);	
+
+	var validation_box = $('validation');
+	if(validation_box != null) new Effect.Appear(validation_box);
+
+	$$('.highlight').each(function(e) {
+		new Effect.Highlight(e, {duration: 1.5});
+	});
+
+	if(window.history_update) history_update();
+}
+
+spin_count = Array();
+function spinner_start(s)
+{
+	if(spin_count[s]) spin_count[s]++;
+	else spin_count[s] = 1;
+
+	$("spinner_" + s).show();
+}
+
+function spinner_stop(s)
+{
+	spin_count[s]--;
+	if(spin_count[s] == 0) $("spinner_" + s).hide();
+}
+
+function passmeter()
+{
+	var pass = $F('password');
+	var meter = $('passmeter');
+	var nivel = 0;
+	
+	if(pass.length == 0) {
+		meter.innerHTML = " ";
+		return;
+	}
+	
+	if(pass.length >= 6) {
+		if(/[a-z_]/.test(pass)) nivel++;
+		if(/[A-Z]/.test(pass)) nivel++;
+		if(/[0-9]/.test(pass)) nivel++;
+		if(/\W/.test(pass)) nivel++;
+		
+		if(pass.length >= 10) nivel++;
+	}
+	
+	switch(nivel) {
+		case 0: case 1:
+			msg = "senha muito fraca";
+			cor = "#d00";
+			break;
+			
+		case 2:
+			msg = "senha fraca";
+			cor = "#f50";
+			break;
+			
+		case 3:
+			msg = "senha moderada";
+			cor = "#090";
+			break;
+			
+		case 4: default:
+			msg = "senha forte";
+			cor = "#05f";
+			break;			
+	}
+	
+	meter.style.color = cor;
+	meter.innerHTML = msg;
+}
+
+Ajax.Responders.register({
+	onComplete: function() { EventSelectors.assign(events);}
+})
+

app/assets/javascripts/wiki.js

@@ -10,6 +10,7 @@ events['#show_preview:click'] = function(element, e)
 			spinner_stop("preview");
 			Element.show('wiki_preview');
 			new Effect.ScrollTo('wiki_preview');
+            MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
 		}
 	});
 

app/views/layouts/_base.html.haml

@@ -20,6 +20,9 @@
     %script{:type => 'text/javascript'}
       == BASE_PATH = "#{App.base_path}";
     = javascript_include_tag :base
+    = javascript_include_tag 'http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML'
+    %script{:type => 'text/x-mathjax-config'}
+      == MathJax.Hub.Config({tex2jax: {inlineMath: [['{$','$}']], displayMath: [['{$$','$$}']]}});
 
   %body{'onload' => 'javascript: startup()'}
     #wrapper