Writing To a Layer in JavaScript

Hi;
The following function works fine to write to an iframe in IE but *not* for 
writing to an ilayer in NN:

function writer(stuff) {
	if ( navigator.appName != "Netscape" ) {
		eval("frames['writeHere'].location.href = " + stuff + ".src");
	} else {
		URL = ( + stuff + ".src");
		width = "200px";
		document.writeThis.load(URL,width)
		}
	}
}

In the body I have the following:

<span class="myiframe">
<iframe src="original.php3" name="writeHere" width=219 height=274 
scrolling="no" cellpadding=5px>
<ilayer src="original.php3" name="writeThis" width=219 height=274 
scrolling="no" cellpadding=5px>
</ilayer>
</iframe>
</span>

Does anyone know what I'm doing wrong here?
TIA,
BenO

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