	@ManyToMany(cascade = { CascadeType.DETACH, CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REFRESH })
	@JoinTable(name = "elementrefs_elements", joinColumns = @JoinColumn(name = "ref_id"), inverseJoinColumns = @JoinColumn(name = "element_id"))
	private List<Element> elementlist = null;
