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The following works in Netscape 4 and Explorer 4:
<html>
<head>
<script language="JavaScript"><!--
var dhtml = '', no = 0;
if (navigator.appVersion.charAt(0) == "4") {
if (navigator.appVersion.indexOf("MSIE") != -1)
dhtml = 'IE';
else
dhtml = 'NN';
}
function mover(object,text) {
if (dhtml == 'IE') {
eval(object + '.innerText = text');
}
else if (dhtml == 'NN') {
eval('document.layers["' + object + 'b"].moveBelow(document.layers["' + object + 'a"])');
eval('document.layers["' + object + 'b"].visibility="hide"');
eval('document.layers["' + object + 'a"].visibility="show"');
}
}
function mout(object,text) {
if (dhtml == 'IE') {
eval(object + '.innerText = text');
}
else if (dhtml == 'NN') {
eval('document.layers["' + object + 'a"].moveBelow(document.layers["' + object + 'b"])');
eval('document.layers["' + object + 'a"].visibility="hide"');
eval('document.layers["' + object + 'b"].visibility="show"');
}
}
function dLink(href,text,txet) {
if (dhtml == 'IE')
document.write('<a href="'+href+'" onMouseOut="mout(\'link'+no+'\',\''+txet+'\')" onMouseOver="mover(\'link'+no+'\',\''+text+'\')" id="link'+no+'">'+text+'<\/a>');
else if (dhtml == 'NN')
document.write('<layer name="link'+no+'a" visibility="hide"><a href="'+href+'" onMouseOut="mout(\'link'+no+'\')">'+text+'<\/a><\/layer><layer name="link'+no+'b"><a href="'+href+'" onMouseOver="mover(\'link'+no+'\')">'+txet+'<\/a><\/layer>');
else
document.write('<a href="'+href+'">'+text+'<\/a>');
document.write('<br>');
no+=1;
}
//--></script>
</head>
<body>
<script>
dLink('new.html','What\'s New?','Naht S\'wew?');
</script>
</body>
</html>