[Javascript] Read/write html tag contents with Netscape

[Peter-Paul Koch]

>Thanks, Andrew.  Unfortunately, I haven't been able to get your method to
>work with Netscape 4.  This is as far as I've gotten; it works with IE 6 &
>Netscape 6 but fails on Netscape 4.7:
>
>	} else if (NS4) {
>		// stab in the dark!
>		document.layers[argTagName].document.open();
>		document.layers[argTagName].document.write("NS4");
>		document.layers[argTagName].document.close();

>Is there something wrong with the syntax
>"document.layers[argTagName].document"?

No, but the layer argTagName *must* have a position: absolute or relative in 
the CSS, or Netscape 4 won't count it as a layer.

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