How I can click my button?

[Javier Sega]

I can not find how to click a button on the form with the following code:

<img src="/plantillas/images/pixel.gif" class="login" onmouseover="this.className='login_over';" onmouseout="this.className='login';" id="4btnEntrar" onclick="xajax_procesar('4', 'btnEntrar', todo('frm4'), null);" align="absmiddle"/>

[Doron Haskel]

click('[class="login"]');

Doron