public void removeEmployeeFromProject(int employeeId, int projectId)
	{
		Project project = findProject(projectId);
		if (project == null)
			throw new ServiceException("Project with id " + projectId + " not found");
		
		Employee employee = lookupService(EMP_SRV, EmployeeService.class).findEmployeeById(employeeId);
		if (employee == null)
			throw new ServiceException("Employee with id " + employeeId + " not found");
		
		try
		{
			begin();
			project.removeProjectEmployee(employee);
			commit();
		}
		catch(PersistenceException e)
		{
			e.printStackTrace();
			rollback();
			throw e;
		}
	}