luis@467: function remove_author(link){
luis@468: 	$(link).previous('input[type=hidden]').value = 1;
luis@468: 	$(link).up('.author_fields').remove();
luis@468: }
luis@468: 
luis@468: function add_fields(link, association, content) {
luis@468:   var new_id = new Date().getTime();
luis@468:   var regexp = new RegExp("new_" + association, "g")
luis@468:   $(link).parent().before(content.replace(regexp, new_id));
luis@467: }