Yes, as long as the array elements don't contain your separator character (in this case, a comma), you'll get the same array. Since you're trying to retrieve an array of window IDs, you won't have any trouble with possibly having a comma in an element's value.
Just one note, it should say:
js code:Msg.split(","); //note the quotes around the comma, you're passing a regular string as first parameter here for String.split()
This post was edited on 06-18-2009 at 07:07 PM by Matti.
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