function add_email(email){
	to = $('id_to');			
	if (to.value.search(email)==-1){
		if (to.value) to.value +=' ';					
		to.value += email;
	}; 
};

function add_user(username){
	to = $('id_to');			
	if (to.value.search(username)==-1){
		if (to.value) to.value +=' ';					
		to.value += username;
	};
};


function ms_select_callback(members){
	ms_hide_window();
	members.values().each(add_user);
}


function ab_select_callback(contacts, members){
	ab_hide_window();
	contacts.values().each(add_email);
	members.values().each(add_user);
}