Disable Enter to submit a form

Add the script
onKeyPress="return event.keyCode!=13"
in the BODY of the HTML document for all the web page,

OR

1. Disable in the form the submit.
<nested:form action="docMgmt" onsubmit="return false;" styleId="my_form"/>

2. Creta a function that submit a from in your js script.
function submitFrm(objId){
var theform = document.getElementById(objId);
theform.submit();
return true;
}

3. call the above function from the submit button...
<nested:submit onclick="submitFrm('my_form');">Submit!!</nested:submit>

See the original view:
http://kreotekdev.wordpress.com/2007/11/16/disabling-the-enter-key-on-forms-using-javascript/