Hide all graph data except for errors by default

public/js/site.js

@@ -192,8 +192,8 @@ $(document).ready(function(){
                 '<div class="series-checkbox-container">' +
                     '<input type="checkbox"' +
                         'name="' + key + '" ' +
-                        'checked="checked" ' +
-                        'id="id' + key + '"' +
+                        'id="id' + key + '" ' +
+                        'data-stat-type="' + val.label.toLowerCase() + '"' +
                         '/>' +
                     '<label for="id' + key + '">' +
                         '<span class="stat-type">' + val.label + '</span>' +
@@ -201,9 +201,11 @@ $(document).ready(function(){
                 '</div>' +
             '</li>'
         );
+
     });
 
     choiceContainer.find('input').click(plotAccordingToChoices);
+    choiceContainer.find('[data-stat-type=errors]').click();
 
     function plotAccordingToChoices() {
         var data = [];