my $cgi = new CGI;              
my $pjx = new CGI::Ajax( 'exported_func' => \&perl_func );
print $pjx->build_html( $cgi, \&Show_HTML);
sub perl_func
{
# returns output from database
}
sub Show_HTML           # prints HTML page.
{    
# i want to set ajax function calls on this list items
# so when user click on news, news content from another html page
# would get displayed in content div
# same would happen for home find events list items
<ul>
<li>Home</li>
<li>Find</li>
<li>News</li>
<li>Events</li>
<li>Register</li>
</ul>
<hr>

<div id="navigation">   
<input id="q" type="text" size="15" name="query" value="" />         
</br>        
<input type="submit" value="Find" onclick="exported_func( ['q'], ['content'] );">
</div>

div id="content">First display events.
</div>
#rest of HTML code
return $html;
}

##</code><code>##

my $sec_pjx = new CGI::Ajax( 'exported_func' => \&sec_perl_func );
print $sec_pjx->build_html( $cgi, \&Show_HTML);