old_contents: app.controller("profileCtrl",  
  	function($scope, Auth, $firebaseArray, $firebaseObject,$window, $stateParams,Helper) {	
  		Auth.$onAuthStateChanged(function(authData){
  			//initialize
  			if (authData) {
  				$scope.authData = authData;
  
  				ref = firebase.database().ref("users/"+$scope.authData.uid+"/readOnly/info");
  
  				$scope.profile_info = $firebaseObject(ref);
  				$scope.profile_readOnly = true;
  				$scope.profile_info.tags = Helper.tags;
  				//$scope.profile_info.tag.c++=false;
  				var id = $stateParams.uid;
  				if (id != $scope.authData.uid)  $scope.button_visible = false;
  				else $scope.button_visible = true;
  				console.log(authData);
  			}
  			else {
  				console.log("signed out");
  			}
  		});
  		$scope.button_name = "EDIT";
  		$scope.edit = function(){			
  			if($scope.profile_readOnly) {
  				$scope.profile_readOnly=false;
  				$scope.button_name = "SAVE";
  			}
  			else{
  				$scope.profile_info.$save().then(function(){
  					console.log($scope.profile_info);
  				});
  				$scope.profile_readOnly=true;
  				$scope.button_name = "EDIT";
  			}
  		};
  	}
  );
  
new_contents: app.controller("profileCtrl",  
  	function($scope, Auth, $firebaseArray, $firebaseObject,$window, $stateParams,Helper) {	
  		Auth.$onAuthStateChanged(function(authData){
  			//initialize
  			if (authData) {
  				$scope.authData = authData;
  
  				ref = firebase.database().ref("users/"+$stateParams.uid+"/readOnly/info");
  
  				$scope.profile_info = $firebaseObject(ref);
  				$scope.profile_readOnly = true;
  				$scope.profile_info.tags = Helper.tags;
  				//$scope.profile_info.tag.c++=false;
  				var id = $stateParams.uid;
  				if (id != $scope.authData.uid)  $scope.button_visible = false;
  				else $scope.button_visible = true;
  				console.log(authData);
  			}
  			else {
  				console.log("signed out");
  			}
  		});
  		$scope.button_name = "EDIT";
  		$scope.edit = function(){			
  			if($scope.profile_readOnly) {
  				$scope.profile_readOnly=false;
  				$scope.button_name = "SAVE";
  			}
  			else{
  				$scope.profile_info.$save().then(function(){
  					console.log($scope.profile_info);
  				});
  				$scope.profile_readOnly=true;
  				$scope.button_name = "EDIT";
  			}
  		};
  	}
  );
  
subject: modify profileCtrl.js