<input 
	          type="text" 
	          ng-model="employee.account" 
	          ng-keydown
            />

/*directives*/
angular.module('activitiModeler').directive('ngKeydown',function() {
    return {
        restrict: 'A',link: function(scope,elem,attrs) {
             	  //var functionToCall = scope.$eval(attrs.ngKeydown);
             elem.on('keydown',function(e){
            	 alert(e+','+e.which);
             });
        }
    };
});

/*directives*/
angular.module('activitiModeler').directive('ngKeydown',attrs) {
             	  //var functionToCall = scope.$eval(attrs.ngKeydown);
             elem.on('keyup',function(e){
            	 alert(scope.employee.account);
             });
        }
    };
});