Find recursively property in obj

function find(source, name) {
	for (key in source)
	{
		var item = source[key];
		if (item.name == name)
			return item;

        // Item not returned yet. Search its children by recursive call.
        if (item.children)
        {
        	var subresult = find(item.children, name);

            // If the item was found in the subchildren, return it.
            if (subresult)
            	return subresult;
          }
        }
    // Nothing found yet? return null.
    return null;
  }