diff --git a/js/inject/debug.js b/js/inject/debug.js
index fddf2fb..3ab76ee 100644
--- a/js/inject/debug.js
+++ b/js/inject/debug.js
@@ -1,182 +1,174 @@
 var inject = function () {
-  if (document.cookie.indexOf('__ngDebug=true') == -1) {
-    return;
-  }
-  if (document.head) {
-
-    document.head.insertBefore(
-      (function () {
-        var fn = function (window) {
-          //alert('script');
-          var patch = function () {
-            if (window.angular && typeof window.angular.bootstrap === 'function') {
+  document.head.appendChild((function () {
+    var fn = function (window) {
+      // do not patch twice
+      if (window.__ngDebug) {
+        return;
+      }
+      //var bootstrap = window.angular.bootstrap;
+      var debug = window.__ngDebug = {
+        watchers: {},
+        timeline: [],
+        watchExp: {},
+        watchList: {}
+      };
+      var ng = angular.module('ng');
+      ng.config(function ($provide) {
+
+        // patch $injector
+        // ---------------
+        /*
+        $provide.decorator('$injector',
+          function ($delegate) {
+            console.log($delegate);
+            var get = $delegate.__proto__.get;
+            $delegate.__proto__.get = function () {
+              return get.apply(this, arguments);
+            };
+            return $delegate;
+          });
+        */
+
+        $provide.decorator('$rootScope', function ($delegate) {
+          var watchFnToHumanReadableString = function (fn) {
+            if (fn.exp) {
+              return fn.exp.trim();
+            } else if (fn.name) {
+              return fn.name.trim();
+            } else {
+              return fn.toString();
+            }
+          };
 
-              // do not patch twice
-              if (window.__ngDebug) {
-                return;
-              }
-              //var bootstrap = window.angular.bootstrap;
-              var debug = window.__ngDebug = {
-                watchers: {},
-                timeline: [],
-                watchExp: {},
-                watchList: {}
+          // patch registering watchers
+          // --------------------------
+          var watch = $delegate.__proto__.$watch;
+          $delegate.__proto__.$watch = function() {
+            if (!debug.watchers[this.$id]) {
+              debug.watchers[this.$id] = [];
+            }
+            var str = watchFnToHumanReadableString(arguments[0]);
+
+            debug.watchers[this.$id].push(str);
+            
+            
+            var w = arguments[0];
+            if (typeof w === 'function') {
+              arguments[0] = function () {
+                var start = window.performance.webkitNow();
+                var ret = w.apply(this, arguments);
+                var end = window.performance.webkitNow();
+                if (!debug.watchExp[str]) {
+                  debug.watchExp[str] = {
+                    time: 0,
+                    calls: 0
+                  };
+                }
+                debug.watchExp[str].time += (end - start);
+                debug.watchExp[str].calls += 1;
+                return ret;
               };
-              var ng = angular.module('ng');
-              ng.config(function ($provide) {
-
-                $provide.decorator('$rootScope',
-                  function ($delegate) {
-
-                    var watchFnToHumanReadableString = function (fn) {
-                      if (fn.exp) {
-                        return fn.exp.trim();
-                      } else if (fn.name) {
-                        return fn.name.trim();
-                      } else {
-                        return fn.toString();
-                      }
-                    };
-
-                    // patch registering watchers
-                    // --------------------------
-                    var watch = $delegate.__proto__.$watch;
-                    $delegate.__proto__.$watch = function() {
-                      if (!debug.watchers[this.$id]) {
-                        debug.watchers[this.$id] = [];
-                      }
-                      var str = watchFnToHumanReadableString(arguments[0]);
-
-                      debug.watchers[this.$id].push(str);
-                      
-                      
-                      var w = arguments[0];
-                      if (typeof w === 'function') {
-                        arguments[0] = function () {
-                          var start = window.performance.webkitNow();
-                          var ret = w.apply(this, arguments);
-                          var end = window.performance.webkitNow();
-                          if (!debug.watchExp[str]) {
-                            debug.watchExp[str] = {
-                              time: 0,
-                              calls: 0
-                            };
-                          }
-                          debug.watchExp[str].time += (end - start);
-                          debug.watchExp[str].calls += 1;
-                          return ret;
-                        };
-                      } else {
-                        var thatScope = this;
-                        arguments[0] = function () {
-                          var start = window.performance.webkitNow();
-                          var ret = thatScope.$eval(w);
-                          var end = window.performance.webkitNow();
-                          if (!debug.watchExp[str]) {
-                            debug.watchExp[str] = {
-                              time: 0,
-                              calls: 0
-                            };
-                          }
-                          debug.watchExp[str].time += (end - start);
-                          debug.watchExp[str].calls += 1;
-                          return ret;
-                        };
-                      }
-
-                      var fn = arguments[1];
-                      arguments[1] = function () {
-                        var start = window.performance.webkitNow();
-                        var ret = fn.apply(this, arguments);
-                        var end = window.performance.webkitNow();
-                        var str = fn.toString();
-                        if (typeof debug.watchList[str] !== 'number') {
-                          debug.watchList[str] = 0;
-                          //debug.watchList[str].total = 0;
-                        }
-                        debug.watchList[str] += (end - start);
-                        //debug.watchList[str].total += (end - start);
-                        //debug.dirty = true;
-                        return ret;
-                      };
-
-                      return watch.apply(this, arguments);
-                    };
-
-                    // patch destroy
-                    // -------------
-
-                    /*
-                    var destroy = $delegate.__proto__.$destroy;
-                    $delegate.__proto__.$destroy = function () {
-                      if (debug.watchers[this.$id]) {
-                        delete debug.watchers[this.$id];
-                      }
-                      debug.dirty = true;
-                      return destroy.apply(this, arguments);
-                    };
-                    */
-                    
-                    // patch apply
-                    // -----------
-                    var firstLog = 0;
-                    var apply = $delegate.__proto__.$apply;
-                    $delegate.__proto__.$apply = function (fn) {
-                      var start = window.performance.webkitNow();
-                      var ret = apply.apply(this, arguments);
-                      var end = window.performance.webkitNow();
-                      if (Math.round(end - start) === 0) {
-                        if (debug.timeline.length === 0) {
-                          firstLog = start;
-                        }
-                        debug.timeline.push({
-                          start: Math.round(start - firstLog),
-                          end: Math.round(end - firstLog)
-                        });
-                      }
-                      //debug.dirty = true;
-
-                      if (debug.log) {
-                        if (fn) {
-                          if (fn.name) {
-                            fn = fn.name;
-                          } else if (fn.toString().split('\n').length > 1) {
-                            fn = 'fn () { ' + fn.toString().split('\n')[1].trim() + ' /* ... */ }';
-                          } else {
-                            fn = fn.toString().trim().substr(0, 30) + '...';
-                          }
-                        } else {
-                          fn = '$apply';
-                        }
-                        console.log(fn + '\t\t' + (end - start).toPrecision(4) + 'ms');
-                      }
+            } else {
+              var thatScope = this;
+              arguments[0] = function () {
+                var start = window.performance.webkitNow();
+                var ret = thatScope.$eval(w);
+                var end = window.performance.webkitNow();
+                if (!debug.watchExp[str]) {
+                  debug.watchExp[str] = {
+                    time: 0,
+                    calls: 0
+                  };
+                }
+                debug.watchExp[str].time += (end - start);
+                debug.watchExp[str].calls += 1;
+                return ret;
+              };
+            }
 
-                      return ret;
-                    };
+            var fn = arguments[1];
+            arguments[1] = function () {
+              var start = window.performance.webkitNow();
+              var ret = fn.apply(this, arguments);
+              var end = window.performance.webkitNow();
+              var str = fn.toString();
+              if (typeof debug.watchList[str] !== 'number') {
+                debug.watchList[str] = 0;
+                //debug.watchList[str].total = 0;
+              }
+              debug.watchList[str] += (end - start);
+              //debug.watchList[str].total += (end - start);
+              //debug.dirty = true;
+              return ret;
+            };
 
-                    return $delegate;
-                  });
+            return watch.apply(this, arguments);
+          };
 
-              });
+          // patch destroy
+          // -------------
 
-            } else {
-              setTimeout(patch, 1);
+          /*
+          var destroy = $delegate.__proto__.$destroy;
+          $delegate.__proto__.$destroy = function () {
+            if (debug.watchers[this.$id]) {
+              delete debug.watchers[this.$id];
             }
+            debug.dirty = true;
+            return destroy.apply(this, arguments);
           };
+          */
+          
+          // patch apply
+          // -----------
+          var firstLog = 0;
+          var apply = $delegate.__proto__.$apply;
+          $delegate.__proto__.$apply = function (fn) {
+            var start = window.performance.webkitNow();
+            var ret = apply.apply(this, arguments);
+            var end = window.performance.webkitNow();
+            if (Math.round(end - start) === 0) {
+              if (debug.timeline.length === 0) {
+                firstLog = start;
+              }
+              debug.timeline.push({
+                start: Math.round(start - firstLog),
+                end: Math.round(end - firstLog)
+              });
+            }
+            //debug.dirty = true;
+
+            if (debug.log) {
+              if (fn) {
+                if (fn.name) {
+                  fn = fn.name;
+                } else if (fn.toString().split('\n').length > 1) {
+                  fn = 'fn () { ' + fn.toString().split('\n')[1].trim() + ' /* ... */ }';
+                } else {
+                  fn = fn.toString().trim().substr(0, 30) + '...';
+                }
+              } else {
+                fn = '$apply';
+              }
+              console.log(fn + '\t\t' + (end - start).toPrecision(4) + 'ms');
+            }
 
-          patch();
-        };
+            return ret;
+          };
 
-        var script = window.document.createElement('script');
-        script.innerHTML = '(' + fn.toString() + '(window))';
-        
-        return script;
-      }()),
-      document.head.firstChild);
+          return $delegate;
+        });
+      });
+    };
 
-  } else {
-    setTimeout(inject, 1);
-  }
+    var script = window.document.createElement('script');
+    script.innerHTML = '(' + fn.toString() + '(window))';
+    
+    return script;
+  }()));
 };
 
-inject();
+// only inject if cookie is set
+if (document.cookie.indexOf('__ngDebug=true') != -1) {
+  document.addEventListener('DOMContentLoaded', inject);
+}