form serialization

gistfile1.js

$("#groups .permissionsBlock").children().each(function(i, group) {
    data["groups"][i] = {"groupName" : $(group).attr("id"), "members" : []};
    $(this).children("select").children().each(function(x, user) {
	data["groups"][i]["members"][x] = user.text;
    });
});