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Netscape Navigator 4.0 does not have a comparable innerHTML property. This does not mean that Netscape Navigator cannot write dynamic content like Microsoft Internet Explorer, as you can open, write to, and then close a layer. The difficulty is that you have to write a solution that works perfectly on both Netscape Navigator and Microsoft Internet Explorer.
The following is a simple example that works in both Netscape Navigator 4 and Microsoft Internet Explorer 4:
<P>
<script language="JavaScript"><!--
function changeContent(what,text) {
if (document.all)
what.innerHTML = text;
else if (document.layers) {
what.document.open();
what.document.write(text);
what.document.close();
}
}
//--></script>
<p>
<div onMouseOver="changeContent(this,'<font color=red>Ha! You moved the mouse over the text</font>')"
onMouseOut="changeContent(this,'Move the mouse pointer over this text')">
<layer onMouseOver="changeContent(this,'<font color=red>Ha! You moved the mouse over the text</font>')"
onMouseOut="changeContent(this,'Move the mouse pointer over this text')">
Move the mouse pointer over this text
</layer>
</div>
</p>Also take a look at the article What is So Dynamic About Dynamic HTML?