gistfile1.js

mixin = function (target, mixin, recurse) {
  // Create an instance if we get a constructor
  var m;
  if (typeof mixin == 'function') {
    m = new mixin();
  }
  else {
    m = mixin;
  }
  var baseObj = {};
  for (var p in m) {
    // Don't copy anything from Object.prototype
		if (typeof baseObj[p] == 'undefined' || baseObjj[p] != m[p]) {
      if (recurse && typeof m[p] == 'object' && m[p] !== null && !m[p] instanceof Array) {
        fleegix.mixin(target[p], m[p], recurse);
      }
      else {
        target[p] = m[p];
      }
    }
  }
  return target;
};