Line: 5
Char: 3
Error: Object Required
Code: 0

window.addEvent('domready', function() {

	$('myForm').addEvent('submit', function(e) {
		//Prevents the default submit event from loading a new page.
		e.stop();
		//Empty the log and show the spinning indicator.
		var log = $('log_res').empty().addClass('ajax-loading');
		//Set the options of the form's Request handler. 
		//("this" refers to the $('myForm') element).
		this.set('send', {onComplete: function(response) { 
			log.removeClass('ajax-loading');
			log.set('html', response);
		}});
		//Send the form.
		this.send();
	});
});

<div style="margin: 30px ;">
	<form id="myForm" action="./search.php" method="post">
		<div id="form_box">
			<div>
			  <input type="hidden" name="action" value="?do=133" />
				<p>Rechercher :</p>
				<table><tr>
				<td><input type="text" class="search_text" name="text" value=""></td><td><input type="submit" name="button" class="chercher" value="Chercher" id="submitter"></td>
				</tr></table>
			</div>
			<div align="right">
			
			</div>
      <div align="right"><font style="font-size: 8px;"><i>Laissez vide et cliquez sur Chercher pour afficher toutes les &eacute;quipes<br />Si la recherche n&#146;aboutie jamais, <a href="?do=132&mode2=inc_search&PHPSESSID=f4440620ed3a44bfcef26068f5148c4c" class="txt">cliquez-ici</a></i></font></div>
		<span class="clr"><!-- spanner --></span>
		</div>
	</form>
	<div id="log">
		<div id="log_res"><!-- spanner --></div>
	</div>
	<span class="clr"><!-- spanner --></span>
</div></div>

<input type="hidden" name="action" value="?do=133" />

<form id="myForm" action="./search.php?mode= $action " method="post">