Помогите пожалуста
есть скрипт картинок но он не работает в опере может надо что переделать помогите
<!-- HEAD START HERE -->
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
ns3up = (browserName == "Netscape" && browserVer >= 3);
ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);
function doPic(imgName) {
if (ns3up || ie4up) {
imgOn = ("" + imgName);
document.mainpic.src = imgOn;
}
}
// End -->
</script>
<!-- HEAD END HERE -->
<!-- BODY START HERE -->
<table width=360 border=0 cellspacing=0 cellpadding=0>
<tr>
<td><a href="javascript
:doPic('images/1.jpg');"><img src="images/1.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/2.jpg');"><img src="images/2.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/3.jpg');"><img src="images/3.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/4.jpg');"><img src="images/4.jpg" width=90 height= border=0></a></td>
</tr>
<tr>
<td colspan=4 align=center><img name="mainpic" src="images/1.jpg" width=376 height= border=0></td>
</tr>
<tr>
<td><a href="javascript
:doPic('images/5.jpg');"><img src="images/5.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/6.jpg');"><img src="images/6.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/7.jpg');"><img src="images/7.jpg" width=90 height= border=0></a></td>
<td><a href="javascript
:doPic('images/8.jpg');"><img src="images/8.jpg" width=90 height= border=0></a></td>
</tr>
</table>
</center>
<!-- BODY END HERE -->
