JS error in a4j code

[fmarwede]

In the following code fragment I get sometimes a js error in the marked line. I can't reproduce when exactly it occurs...

A4J.AJAX.SubmitRequest = function( containerId, formId ,domEvt , options ) {
 // First - run onsubmit event for client-side validation.
 LOG.debug("NEW AJAX REQUEST !!! with form :"+formId );
// var form = A4J.AJAX.locateForm(event);
 var form = window.document.getElementById(formId);
 if( (!form || form.nodeName.toUpperCase() != "FORM") && domEvt ) {
 var srcElement = domEvt.target||domEvt.srcElement||null;
 if(srcElement){
 form = A4J.AJAX.locateForm(srcElement);
 };
 };
 // TODO - test for null of form object
***>>> if(!options.submitByForm && form && form.onsubmit) {
 LOG.debug("Form have onsubmit function, call it" );
 if( form.onsubmit() == false ){
 return false;
 };
 };

I noticed the given debug line but I'm not sure if it's a TODO for me or a Rich Faces developer (?)

[alexsmirnov]

This TODO comment mark task for a RichFaces developers. RichFaces AJAX components can't work without enclosing h:form componentt - so, this is a place for a test this condition.

[fmarwede]

Hmm...I see. But that doesn't explain this js error I got:

"options has no properties"

This is kind of NullPointerException in Javascript, isn't it?