function SubmitOnEnter(myfield,e)
{
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;

if (keycode == 13)
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}

function CheckCommentFields()
{
  var mail = jQuery("#email").val();
  var author = jQuery("#author").val();
  
  if(mail != '' && author != '')
    jQuery("#commentform").submit();
  else
    return;
}