Hi
If you just want to see what and where then this simple script works in both IE and FF:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<meta name="description" content="" />
<meta name="keywords" content="" />
<meta name="author" content="" />
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<script type="text/javascript">
//<![CDATA[
window.onerror=fnErrorTrap;
function fnErrorTrap(sMsg,sUrl,sLine)
{
var oErrorLog = document.getElementById("oErrLog");
with(oErrorLog)
{
innerHTML="<b>An error was thrown and caught.</b><p>";
innerHTML+="Error: " + sMsg + "<br>";
innerHTML+="Line: " + sLine + "<br>";
innerHTML+="URL: " + sUrl + "<br>";
}
return false;
}
function fnThrow(oEl){
eval(oEl.value);
}
//]]>
</script>
<style type="text/css">
/*<![CDATA[*/
/*]]>*/
</style>
</head>
<body>
<form action="jvascript:void(0)">
<input type="text" id="oErrorCode" value="someObject.someProperty=true;" name="oErrorCode" />
<input type="button" value="Throw Error" onclick="fnThrow(oErrorCode)" />
</form>
<p>
<div id="oErrLog"></div>
</body>
</html>