ns() - namespaces for javascript

namespaces.js

function ns (namespase) {

    var parts = namespase.split('.'),
    parent,
        i;

    if ( window.hasOwnProperty(parts[0]) === false ) {
        window[parts[0]] = {};
    }

    parent = window[parts[0]];
    parts = parts.slice(1);

    for (i = 0; i < parts.length; i += 1) {
        if (typeof parent[parts[i]] === 'undefined') {
            parent[parts[i]] = {};
        }

        parent = parent[parts[i]];
    }

    return parent;
}