Getty JavaScript Class back top fwd

Frameset page: frameset3.html

<html>
<head>
    <title>Dynamic Frameset Test</title>
</head>
<script>
    <!-- Hide script from old browsers
    linkURL = "page1.html"
    if (parent.document.URL) {
       callingURL = parent.document.URL;
       if (callingURL.indexOf('?') != -1) {
         linkURL = callingURL.substring(callingURL.indexOf('?')+1,
         callingURL.length);
       }
    }
    document.writeln('<frameset cols="130,*">');
    document.writeln('<frame src="left3.html" name="left"
       scrolling=auto>');
    document.writeln('<frame src="' + linkURL + '" name="content"
       scrolling=auto>');
    document.writeln('</frameset>');
    // End hiding script from old browsers -->
</script>
<noscript>
<!-- If Javascript is disabled, display the default frameset -->
   <frameset cols="130,*">
      <frame src="left3.html" name="left" scrolling=auto>
      <frame src="page1.html" name="content" scrolling=auto>
   </frameset>
</noscript>
<!-- User doesn't have a frames-compatible browser -->
<noframes>
<body bgcolor=white>
<h2>Please download a frames-capable browser</h2>
</body>
</noframes>
</html>