Rails spinoffs - Aug 2007 - IE doesn't support call() and apply() on DOM methods

Hi,
to clone an array of DOM objects, I used the following code, which
works perfectly in Firefox:

return this.items.invoke(''cloneNode'', false).map($);

But in IE7 invoke() fails due to the nonexistence of the apply()
method on DOM methods like cloneNode(). Now I use this workaround with
each():

var items = [];
this.items.each(
	function(item, i) {
		items[i] =item.cloneNode(false);
	}
);
return items.map($);

Is there another solution available or is it planned to implement a
solution in Prototype like this one?
http://my.opera.com/_Grey_/blog/2007/04/15/wrapping-ies-dom-functions

Greetings from Germany,
Mensler


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