oyvindkinsey

var mylib = {};
(function(context){
    var easyXDM;

    //include easyXDM here

    //enjoy your closured ref to easyXDM here
    mylib.easyXDM = easyXDM;

})(mylib); 

oyvindkinsey

var arr = [.....]
arr.sort((function(index){
    return function(a, b){
        if (!a) {
            return -1;
        } else if (!b) {
            return 1;
        } else if (!a && !b) {
            return 0;
        }