gistfile1.txt

 lookup: function (col) {
    var className = cName('lookup'),
        lookup    = col.lookupTable || {},
        entries, i, len;

    if (isArray(lookup)) {
        entries = lookup;
        lookup  = {};

        for (i = 0, len = entries.length; i < len; ++i) {
            lookup[entries[i].value] = entries[i].text;
        }
    }

    return function (o) {
        o.className = className;
        return lookup[o.value];
    };
}