To use this package you just need to do something like this:
$form = new HTML_QuickForm_DHTMLRulesTableless(...);
$renderer = new HTML_QuickForm_Renderer_Tableless();
// usual code, e.g. new form fields, rules, ...
As already said for the tableless renderer, you need to add the following line to your code to get full XHTML validity:
$form can be used the same way as with the standard HTML_QuickForm package, there is no difference.
To enable validation on "onBlur" and "onChange" events, you need to add the following line before the $form->accept($renderer); call: