build key from name to be used for indexing or clean URLs

buildKey.js

function buildKey(name) {
    var key = '';
    if (name !== undefined) {
        key = name;
        key = key.replace(/ /g, '-'); // purge spaces
        key = key.replace(/&/g, 'and'); // clean ampersand
        key = key.replace(/[^a-zA-Z0-9-]/g, ''); // remove all non-alphas and non-number and non-dashes
        key = key.toLowerCase();
    }
    return key;
}