YUI.applyTo

    applyTo: function(id, method, args) {
        if (!(method in APPLY_TO_AUTH)) {
            this.log(method + ': applyTo not allowed', 'warn', 'yui');
            return null;
        }
 
        var instance = instances[id], nest, m, i;
        if (instance) {
            nest = method.split('.');
            m = instance;
            for (i = 0; i < nest.length; i = i + 1) {
                m = m[nest[i]];
                if (!m) {
                    this.log('applyTo not found: ' + method, 'warn', 'yui');
                }
            }
            return m.apply(instance, args);
        }
 
        return null;
    },