close.window() [URGENT]

sorry I know those URGENT thingies are annoying but a client is trying to get something out in the next half hour and I cannot get close.window to work for IExplorer. The client says they get a message asking if they want to close then window, then upon clicking yes nothing happens. I have tried a simple:

Code:

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<a href="javascript:window.close();">Close window</a>

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as well as:

Code:

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function TimeoutCloseWindow2()
{
        window.setTimeout("window.close()", 1);
}
function DirectCloseWindow()
{
        window.close();
}

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with the following link code:

Code:

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<a href="javascript:TimeoutCloseWindow2();">Close window</a>
<a href="javascript:DirectCloseWindow();">Close window</a>

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none of these work according to my client. Please help!

EDIT: SORRY, just noticed my client had edited some of the code in frontpage and put in the following code...

Code:

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<base target="_blank">

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*shoots my client*

EDIT 2: I guess you can delete this post or lock it, but it can serve for reference if anyone is looking for how to close an IE window, lol...