Testing for Javascript Enabled Browsers

Hi,
I am using the <NOSCRIPT> tags to send a message to the user if their browser is not javascript enabled. My code looks like this:
BEGIN
Htp.htmlopen;
Htp.bodyopen;
htp.p('<table border="0" width="100%" >');
htp.p('<td width="24%">');
htp.p('<img border="0" src="'||Src||'/tcnjlogo.gif" width="146" height="79">');
htp.p('</td>');
htp.p('<td width="42%">');htp.p('</td>');
htp.p('<td width="34%">');
htp.p('<p align="center">');
htp.p('</td>');
htp.br;
htp.br;
htp.tableclose;
htp.br;
htp.br;
htp.p('<table border="0" width="100%" align="center">');
htp.tablerowopen('center');
htp.tabledata('<img src="'||Src||'/redline.gif">');
htp.tablerowclose;
htp.tablerowopen('center','middle');
htp.tabledata('<font size="6">'||htf.bold(htf.italic('PLACEMENT TEST')));
htp.tablerowclose;
htp.tablerowopen('center');
htp.tabledata('<img src="'||Src||'/redline.gif">');
htp.tablerowclose;
htp.tableclose;
htp.p ('<NOSCRIPT>');
raise err_javascript;
htp.p('</NOSCRIPT>');
rest of program(which is executed if program is javascript enabled...)
when err_javascript then
htp.br;htp.br;
htp.header(2,'Your browser must support JavaScript to be able to take this test. Your browser currently does not support JavaScript.');
htp.br;htp.br;
htp.bodyclose;
htp.htmlclose;
END;
This code works fine, if I use plain html between the <NOSCRIPT> tags. However, I want to raise an exception and end the program if the browser is not javascript enabled. When I use the above code, the exception is raised even when the browser is javascript enabled.
Any ideas?
Thanks, Sri

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