[jQuery] Why isn't $() working for me?

[jQuery] Why isn't $() working for me?

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<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff size=2>For
some reason, this code doesn't seem to be working for me. I'm using jquery.js
(Built Wed May 17 19:45:36 2006). I'm working on a test for something else, this
is just prep code. I've used $() successfully just like this in other locations,
but I'm stymied. Anyone have an idea?</FONT></SPAN></DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2><html><BR><head><BR> <title> new document
</title><BR> <script language="javascript"
src="includes/jquery.js"
type="text/javascript"></script><BR></head></FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2><script language="JavaScript"><BR><!--<BR> function
testing() {<BR>  $('#control').innerHTML = 'jquery? Why do you hate
me?'; // this line doesn't work, and no errors either.</FONT></SPAN></DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2>  document.getElementById('control').innerHTML = 'jquery? Why
do you hate me?'; // this line works</FONT></SPAN></DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2>}<BR>//--><BR></script></FONT></SPAN></DIV>
<DIV> </DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2><body><BR><div id="control">this is the control
DIV</div>
<BR><div id="239420">this is
239420</div>
<BR><div id="243003">this is
243003</div>
<BR><div id="239936">this is
239936</div><BR><input type="button" value="testing()"
onclick="testing();"></FONT></SPAN></DIV>
<DIV> </DIV>
<DIV><SPAN class=312274721-27062006><FONT face=Arial color=#0000ff
size=2></body><BR></html></FONT></SPAN></DIV>
<P><FONT size=2><!----------------//------<BR>andy matthews<BR>web
developer<BR>certified advanced coldfusion programmer<BR>ICGLink,
Inc.<BR>andy@icglink.com<BR>615.370.1530
x737<BR>--------------//---------></FONT></P></BODY></HTML>
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